🏛️ Federal / Interior / Reclamation

• Reclamation signed a memorandum of understanding (June 8) with six Lower Basin agencies — SDCWA, MWD, SNWA, Arizona DWR, Central Arizona Water Conservation District, and Salt River Project — to study interstate swaps of desalinated and recycled water. It's an assessment commitment, not a delivery, but signals federal appetite for augmentation alongside cuts.

• Reclamation is still targeting a draft post-2026 plan by mid-July and final guidelines in August, with a preferred DEIS alternative to be identified this summer. The administration has reiterated it could impose up to 3 MAF/year of Lower Basin cuts if the states stay deadlocked.

• Senate Energy & Natural Resources oversight hearing (June 10) on post-2026 operations largely devolved into procedural fights (Roadless Rule, firefighter benefits) before river witnesses were heard — little substantive progress.

💧 Reservoir ops & hydrology

• Lake Powell ~3,523 ft (down from ~3,528 ft in late May); Lake Mead ~1,044 ft (down from ~1,055 ft). Mead projected to ~1,036 ft by Dec 2026.

• Flaming Gorge releases began June 13 at a 1,600 cfs daily average, part of the 660K–1M AF Apr 2026–Apr 2027 plan.

• Water-year inflow to Powell tracking ~40% of average (April study, 3.87 MAF). Upper Basin snowpack finished near a 40-year low.

⚖️ Policy, legal, post-2026 negotiations

• Governor-level escalation: Colorado Gov. Polis declared a statewide drought emergency June 4 — the first governor-level drought action of this cycle, hardening the Upper Basin's "we're already cutting uncompensated" posture and its precondition that any released reservoir water be fully recovered.

• Meeting posture: the June 10 forum was a federal legislative hearing in DC, not a basin-states caucus; no new in-person commissioner or governor summit surfaced this cycle. UCRC's May "insufficient / go to mediation" stance still stands against the LB 3.2 MAF bridge proposal.

• Legal posture: no new lawsuit filings, counsel retentions, or SCOTUS/DOJ activity disclosed in the last 24–48h. Arizona's Sullivan & Cromwell retention and $3M defense fund remain the standing markers.

🌾 Lower Basin / Imperial Valley specific

• IID continues to back the LB 3.2 MAF bridge plan and its offer of up to 200K AF additional 2026 system conservation, while insisting any post-2026 framework "comply with the Law of the River."

• Five LB agencies (incl. MWD, SDCWA) are now signatories to the federal desal/recycled-water MOU — a sign of California urban agencies hunting for augmentation supply.

• Local: Imperial County's Board of Supervisors paused all data-center projects for 45 days on June 16 amid community opposition — relevant to IID load growth and water/power planning.

📹 Latest Local Meetings (via munigraph.ai)

• IID Board of Directors — June 16, 2026 (archive; IID meets 1st & 3rd Tuesdays, 1 p.m.)

• Imperial County Board of Supervisors — June 16, 2026 (data-center moratorium adopted)

📈 Significance for Imperial Valley
Polis's drought emergency is the escalation signal of the week: it strengthens the Upper Basin's refusal to accept curtailment and pushes the whole burden toward the Lower Basin — exactly the asymmetry JB Hamby's March DEIS letter warned against. With Powell now projected to hit minimum power pool by spring 2027 and Reclamation's mid-July draft looming, IID's senior-rights, Law-of-the-River argument is about to be tested under maximum federal pressure. The desal MOU shows urban LB agencies diversifying supply — leaving IID's conservation-vs-Salton Sea tradeoff as the basin's hardest unsolved equity problem.

📰 Further Reading

The big picture

• Cronkite News: Arizona faces 77% cut as states remain deadlocked — Clear snapshot of the worst-case federal cut scenario and the political stakes for the Lower Basin.

• High Country News: Why Colorado River negotiations are so difficult — Good structural explainer on why seven-state talks keep collapsing.

Negotiations & policy

• Circle of Blue: Reclamation signs desalinated-water trade MOU (June 8) — Primary reporting on the six-agency augmentation MOU.

• Senate ENR: Post-2026 oversight hearing (June 10) — Primary source; witness list and testimony.

• USBR: Post-2026 operations hub — Standing primary source for DEIS timeline and the mid-July draft.

Hydrology

• Western Water: Lake Powell faces power loss by spring 2027 (June 17) — Best single read on the new 24-Month Study projections.

• WaterVerge: Colorado declares statewide drought emergency — Context on Polis's June 4 declaration and the record-low snowpack.

• Lake Powell live level · Lake Mead live level — Real-time elevation trackers.

Imperial Valley & IID

• IID: Post-2026 must comply with the Law of the River — IID's standing legal framing.

• inewsource: Imperial County data-center moratorium — Local load-growth pause with water/power implications.

🎲 One More Thing

• Colorado River trivia: Glen Canyon Dam's "minimum power pool" of 3,490 ft isn't where the lake runs dry — it's the elevation below which water no longer reaches the penstocks to spin the turbines. Below that sit the "river outlet works," a set of bypass tubes never designed for sustained full-time use, which is why dropping under min power pool alarms engineers as much as it does power buyers.

• Imperial Valley / IID trivia: Before the Salton Sea, the basin held ancient Lake Cahuilla — a freshwater lake roughly 26 times the Salton Sea's modern size that filled and dried repeatedly over centuries as the Colorado River wandered between its delta and the Salton Sink. Cahuilla and Kumeyaay peoples left fish traps and shoreline camps still visible as a faint "bathtub ring" etched onto the surrounding hillsides.

760Times is powered by MyRiver.us — Colorado River intelligence for the Lower Basin.

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most important

The June 24-Month Study now projects Lake Powell dropping below minimum power pool — but the timeline has shifted: 3,498 ft by January 2027 and ~3,488 ft by March 2027, rather than the earlier "below 3,490 by August 2026" framing. Glen Canyon hydropower is now a spring-2027 problem, not a late-summer-2026 one, even with Flaming Gorge releases underway.

🏛️ Federal / Interior / Reclamation

Reclamation is targeting mid-July for an updated post-2026 allocation plan, with final guidelines in August — the operational deadline that matters now that consensus talks have collapsed. The Senate Energy & Natural Resources Committee held a June 10 oversight hearing on post-2026 operations, landing weeks after the administration signaled it could impose up to 3 MAF/yr in Lower Basin cuts if states stay deadlocked.

💧 Reservoir ops & hydrology

Powell sits at ~3,523 ft (~25%); Mead at ~1,048 ft (~34%). May inflow to Powell was 18% of the 30-year average; June's forecast is just 7%. Water-year 2026 total inflow is now pegged at ~3.40 MAF (35% of average) — among the worst on record. Flaming Gorge emergency releases continue but are not projected to keep Powell above 3,500 ft through next spring.

⚖️ Policy, legal, post-2026 negotiations

The basins remain split: Hobbs won't sign without mandatory Upper Basin cuts; Colorado's negotiator counters that the UB is already constrained "by Mother Nature." JB Hamby, in the Valley this week, called the region's water future "totally unclear." Legal posture: no new filings, but observers continue to forecast a Supreme Court compact action within 12 months; Arizona's outside-counsel retention stands. Meeting posture: activity is institutional (Senate hearing, agency process) — no new governor-level face-to-face or SCOTUS docket movement since the April Las Vegas caucus. Escalation signal remains amber, not red.

🌾 Lower Basin / Imperial Valley specific

IID reaffirms it conserved ~700K AF in 2025 (~4 ft of Mead elevation) and stands ready to add up to 200K AF of system conservation in 2026, subject to a federal cost-share deal — the lever that unlocks the remaining ~$250M in Salton Sea restoration funding. No new IID board action on Colorado River this week.

📹 Latest Local Meetings (via munigraph.ai)

• IID Board of Directors — June 16, 2026

• Imperial County Board of Supervisors — June 16, 2026 — board unanimously paused pending/future data center projects for 45+ days over water and energy-consumption concerns.

📈 Significance for Imperial Valley

The mid-July/August federal timeline is the real clock now: if Reclamation imposes Lower Basin cuts unilaterally, IID's senior-priority rights and its 700K AF conservation track record become its strongest shield — and its best bargaining chip for Salton Sea money. The county's data-center moratorium is a quiet but telling signal that local water-and-power anxiety is hardening just as basin-wide cuts loom.

📰 Further Reading

• The big picture*

• Sierra Club: Can the Colorado River Survive 2026? — long-view feature on the 26-year drought and the stakes of the 2026 guideline expiration.

• Cronkite News: Arizona faces 77% cut as states stay deadlocked — clearest read on what unilateral federal cuts could mean for Arizona.

• Negotiations & policy*

• Legis1: Senate ENR June 10 post-2026 hearing — recap of the Senate oversight hearing and the 3 MAF cut threat.

• Maven's Notebook: Lower Basin proposal & next steps — best procedural explainer on the May 1 LB plan and the road to a Final EIS.

• Legal*

• Colorado Sun: There will be lawyers — on the near-certain compact litigation and SCOTUS-within-12-months forecasts.

• Kilpatrick (JD Supra): Colorado River developments & potential compact litigation — law-firm analysis of the Article III(c) and curtailment legal theory.

• Hydrology*

• Western Water: Lake Powell faces power loss by spring 2027 — the single best read on the June 24-Month Study numbers.

• USBR Glen Canyon Dam water operations — primary source for Powell elevation and releases.

• Lake Powell real-time data / Lake Mead real-time data — standing elevation trackers.

• Imperial Valley & IID*

• iNewsource: Data center race on pause in Imperial County — context on the June 16 moratorium and the water/energy concerns behind it.

• IID: Acts to Protect Colorado River, Salton Sea with conservation agreement — primary source on IID's conservation-for-Salton-Sea-funding linkage.

🎲 One More Thing

• Colorado River trivia: The 1922 Compact divided the river by assuming an annual flow of ~17.5 MAF — but that figure was set during one of the wettest stretches in the tree-ring record. Actual long-run flow is closer to 13–14 MAF, meaning the river was over-allocated on paper from the day the ink dried.

• Imperial Valley / IID trivia: The Salton Sea exists because of an accident — in 1905 the Colorado River breached a poorly built irrigation intake and poured almost its entire flow into the Salton Sink for nearly two years before engineers (and a mountain of railroad rock) finally plugged it in 1907, creating California's largest lake.

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📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most important

No single item broke in the last 24 hours, but the week's defining development stands: Reclamation's June 15 24-Month Study now projects Lake Powell could fall to minimum power pool (3,490 ft) by spring 2027 — formalizing the hydropower cliff that the April emergency releases were designed to delay.

🏛️ Federal / Interior / Reclamation

• June 24-Month Study (released June 15) is the operative new federal document. It confirms the system is tracking toward Powell minimum power pool by spring 2027 despite the April 17 emergency cuts (Powell release 7.48 → 6.0 MAF; Flaming Gorge augmentation). The combined +54 ft Powell-recovery goal by April 2027 now looks harder to hit on this runoff.

• Reclamation Commissioner vacancy: Following Ted Cooke's withdrawal (after Upper Basin objections over perceived Lower Basin bias), the White House is moving to nominate Aubrey Bettencourt — first-Trump-term Interior water official, ex-Almond Alliance president. JB Hamby publicly welcomed the pick. A confirmed, durable Commissioner matters because Interior is the backstop if the seven states miss the post-2026 deadline.

💧 Reservoir ops & hydrology

• Lake Powell ~25% full (early-June elevation ~3,527 ft, drifting down); Lake Mead ~28.5% full (~1,047 ft). Mead is roughly 13 months from critical levels at current draw.

• Basin snowpack peaked March 18 at just 58% of normal — the second-lowest peak on record; WY2026 precip tracking ~35% of normal. Scant snowmelt is the proximate driver of the worsening 24-Month Study.

• Flaming Gorge augmentation releases (660K–1M AF, Apr 2026–Apr 2027) continue per the April plan; no new operational change reported.

⚖️ Policy, legal, post-2026 negotiations

• Legal posture / escalation: Sen. Mike Lee (R-UT) on June 11 warned Lower Basin states that suing over river operations should not expect Congress to "reward that decision" with federal funding — an explicit Upper-Basin-aligned shot across the bow as litigation odds rise. Legal analysts continue to flag a possible Supreme Court original-jurisdiction path as early as fall 2026 if the 2007 Interim Guidelines lapse without a deal.

• Meeting posture: The Senate Energy & Natural Resources Committee held a June 10 oversight hearing on the Basin and post-2026 operations (Dirksen 366) — congressional, not governor-level, so still within routine escalation. The June 4–5 Getches-Wilkinson Colorado River Conference (CU Boulder) was the main practitioner gathering; no governor-level face-to-face or new SCOTUS docket activity surfaced this week.

• Post-2026 NEPA process continues toward an Oct. 1, 2026 target; states remain split on the Upper/Lower cut-allocation question (Article III interpretation), with no consensus framework filed.

🌾 Lower Basin / Imperial Valley specific

• No new IID action since the May 15 expanded conservation agreement (up to 100K AF additional 2026 savings; IID projects ~12 ft of Mead support by year-end via the Deficit Irrigation Program). The Salton Sea air-quality/playa trade-off remains the open flank — the Sierra Club's September 2024 suit over IID's conservation-vs-Salton-Sea impacts is still the live litigation backdrop, not a new filing.

• IID continues to press its post-2026 "lawful, durable, basinwide" line, anchored to the CRB March 2 DEIS comment letter.

📹 Latest Local Meetings (via munigraph.ai)

• IID Board of Directors — June 16, 2026 (IID meets 1st & 3rd Tuesdays; archive page — direct Granicus recording not reachable this run)

• Imperial County Board of Supervisors — June 16, 2026 (BOS meets Tuesdays; archive page)

📈 Significance for Imperial Valley

The June 24-Month Study tightens the screws on everyone: a Powell power-pool breach by spring 2027 strengthens the federal hand to impose cuts if states stall, which raises the stakes on IID's "basinwide, lawful" posture and its insistence that Salton Sea/IID scope stay outside unilateral Lower Basin reductions. Mike Lee's funding threat is a real escalation signal — it telegraphs that Upper Basin allies are pre-positioning the litigation/appropriations battlefield, and IID/CRB should expect the Compact III(c) enforcement argument to be tested sooner rather than later.

📰 Further Reading

• Hydrology & the big picture*

• Western Water: Lake Powell faces power loss by spring 2027 — Best single read on what the June 24-Month Study means for Glen Canyon hydropower.

• Lake Powell Chronicle: Powell facing "critical thresholds" amid record warmth — Local-angle detail on the record-low runoff driving the forecast.

• USBR: Spring runoff projections worsen — Primary-source Reclamation release on the deteriorating runoff outlook.

• uswaterlevels.com: Lake Powell water level today — Standing real-time elevation tracker.

• Negotiations & policy*

• Senate ENR: June 10 post-2026 oversight hearing — Primary source; witness list and framing of the congressional posture.

• USBR: Colorado River Post-2026 Operations — Official NEPA process hub; track DEIS/FEIS progress here.

• Legal*

• KUER: Mike Lee warns Lower Basin a water lawsuit will cost them — The week's clearest escalation signal; Upper-Basin-aligned funding threat.

• Kilpatrick: Colorado River developments and potential Compact litigation — Lawyer's-eye view of the III(c)/III(d) litigation map.

• Infrastructure & federal money*

• Review-Journal: Trump admin picks a Colorado River "czar" (Bettencourt) — On the new Reclamation Commissioner pick and the politics behind Cooke's exit.

• Agri-Pulse: Colorado River politics catch Reclamation commissioner pick — Why the nomination got tangled in Upper/Lower Basin distrust.

• Imperial Valley & IID*

• Western Water: IID expands Colorado River conservation — Detail on the May 15 100K AF deal and the Deficit Irrigation Program.

• IID: Post-2026 operations must comply with the Law of the River — IID's own framing of its post-2026 red lines.

🎲 One More Thing

• Colorado River trivia: "Lee Ferry" and "Lees Ferry" are not the same point. The Compact's dividing line between Upper and Lower Basins is Lee Ferry, defined as a point one mile downstream from the mouth of the Paria River — whereas Lees Ferry, the historic crossing and river-mile-zero gauging spot, sits just upstream. That one-mile distinction is legally load-bearing for every III(c) and III(d) delivery calculation.

• Imperial Valley / IID trivia: The Salton Sea we know was an accident. In 1905 the Colorado River breached a poorly built diversion intake and poured almost its entire flow into the Salton Sink for roughly two years before engineers (and a small mountain of rock dumped by the Southern Pacific Railroad) finally closed the breach in 1907 — refilling a basin that had hosted the far larger ancient Lake Cahuilla on and off for centuries.

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• 760Times is powered by MyRiver.us — Colorado River intelligence for the Lower Basin.*

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most Important

Lake Powell now projected to drop below minimum power pool by January 2027 — not "by spring" as previously modeled, but as early as January, hitting ~3,488 ft by March. June inflow forecast collapsed to just 7% of the 30-year average (down from the already-alarming 13% forecast in late May). Glen Canyon Dam's hydropower operations are now on a near-certain timeline to cease unless storage recovery occurs.

🏛️ Federal / Interior / Reclamation

- Burgum hardening his public posture: Interior Secretary Burgum has repeatedly said "nobody will be happy" with his department's post-2026 decision, and a Trump administration official confirmed Burgum "is prepared to exercise his responsibility as water master" unilaterally if no seven-state consensus emerges. The window is now this month — Reclamation must announce 2027 operating conditions imminently.

- June 3 Desalination MOU signed at Carlsbad: Reclamation joined SDCWA, MWD (CA), SNWA (NV), ADWR, CAP, and Salt River Project (AZ) in a nonbinding MOU to evaluate "paper trades" of desalinated seawater and recycled water across state lines using existing Colorado River infrastructure. First-ever framework of its kind for the seven-state basin. Nonbinding — no committed projects — but it opens an interstate accounting pathway that didn't previously exist.

- Navajo-Gallup Water Supply Project: On June 10, Reclamation awarded a $75.5M contract for Block 2-3 Pipeline HDD components — significant tribal water infrastructure milestone in New Mexico, separate from main post-2026 track but relevant to tribal water rights context.

💧 Reservoir Ops & Hydrology

- Lake Powell: ~3,523 ft (down ~5 ft from late May). June inflow forecast: 7% of average — the sharpest collapse yet. Reclamation's June report now projects Powell hits minimum power pool (~3,500 ft) by January 2027, sliding to 3,488 ft by March 2027. Flaming Gorge emergency releases ongoing (660K–1M AF through April 2027) are partially offsetting but cannot overcome a 93% inflow deficit.

- Lake Mead: ~1,044 ft — crossed below 1,050 ft this week, down ~11 ft from late May. Still in Tier 1 shortage (AZ −512 KAF).

- Upper Basin hydrology: Another below-average snowpack year. Colorado's River Water Conservation District emergency water plan for Western Slope communities was approved — protecting mountain towns from acute supply disruptions this summer.

⚖️ Policy, Legal, Post-2026 Negotiations

- Senate ENR Oversight Hearing (June 10): Water experts testified that states are "inching closer to court battle." Interior official stated: "If they can't move their stakes to get closer, we are going to have to make the decision." The UCRC executive director warned that "the window to solve this without lawyers, judges and generational damage to basin relationships is shrinking faster than Lake Powell."

- Sen. Lee (UT) threat: At the June 10 hearing, Utah's Mike Lee stated that states choosing to sue fellow basin states "should not expect Congress to reward that decision with additional federal funding" — explicitly threatening to block $354M in federal water aid if Arizona files suit over Colorado River operations. Significant pressure tactic against LB litigation posture.

- Legal posture: Compact litigation risk continues to ripen. Reclamation's forthcoming unilateral decision on post-2026 operations is expected to be the triggering event. Potential SCOTUS argument flagged for as early as October 2026. No new counsel retentions or court filings publicly reported today.

- Meeting posture: All action remains at commissioner and technical level. No governor-level face-to-face escalation signals today. UCRC's 312th Regular Meeting is scheduled for June 26 in Salt Lake City amid worsening hydrology.

🌾 Lower Basin / Imperial Valley Specific

- IID exits Salton Sea Authority (effective June 30): IID's Board voted to formally end its relationship with the Salton Sea Authority and transition its leadership role to California's newly established Salton Sea Conservancy. The Salton Sea Authority continues independently. Framed by IID as a governance restructuring, not an abandonment of Sea restoration obligations. The Salton Sea Authority director issued a statement affirming the Authority's mission continues.

- Data center water lawsuit against IID (filed June 15): Imperial Valley Computer Manufacturing (IVCM) — a $9B+ data center developer — filed suit in Imperial County Superior Court after IID denied its May 1 application for ~880 AF/year (~260M gal/yr) for industrial cooling. Developer argues it has leased 160 acres of active farmland to fallow as an offset. IID's position: water service denial stood on grounds of system capacity and agricultural priority. This is the first public lawsuit directly pitting data center growth against IID's water allocation, and it lands in a moment of peak scarcity.

- Desalination MOU raises Imperial Valley flags: The Desert Review noted the June 3 "paper trades" MOU is generating concern among Imperial Valley agricultural users — if desalination credits allow other Lower Basin entities to claim river entitlements via accounting swaps, it could affect IID's relative position and future conservation incentive economics under QSA.

- IID conservation: Ongoing — up to 100K AF additional system conservation approved in May, DIP (Deficit Irrigation Program) active for 2026.

📹 Latest Local Meetings *(via munigraph.ai)*

• IID Board of Directors — June 2026 (archive) (JS-rendered page; navigate directly for most recent recording)

• Imperial County Board of Supervisors — June 2026 (archive)

📈 Significance for Imperial Valley

Powell's January 2027 power-loss timeline is the biggest material shift today — it compresses the window for Reclamation's post-2026 decision from "by October 2026" to something that must function before Glen Canyon goes dark. IID's exit from the Salton Sea Authority and the data center lawsuit together signal that the governance and development pressures on IID's water portfolio are intensifying simultaneously with the river's steepest supply crisis. Sen. Lee's funding-threat gambit adds a new political constraint on Lower Basin litigation strategy — Arizona must now weigh whether suing risks losing $354M in federal water infrastructure money.

📰 Further Reading

The big picture

• Inside Climate News: Colorado River Faces 'Devastating Consequences' If Another Dry Winter Lands — Good synthesis of the overall 2026 crisis; useful for non-specialists on the hydrology stakes.

• University of Colorado GWC: Basin Storage Continues Slide Toward System Crash — Academic/research framing of the storage crash scenario; quantitative.

Negotiations & policy

• Wyoming Public Media: Colorado River States Inch Closer to Court Battle — Best single read on the June 10 Senate hearing; Upper Basin perspective.

• Cronkite News: Utah Sen. Lee Threatens to Block $354M in Water Aid — Primary source on Lee's funding threat; key to understanding the political constraints on LB litigation.

• Tucson.com: Interior Sec. Says 'Nobody Will Be Happy' — Burgum's clearest public statement on his intent to act unilaterally.

• Legis1: Colorado River Basin 2026 Crisis — Senate Deadlock — Good aggregation of the legislative/political stalemate.

Legal

• KTS Law: Colorado River Developments and Potential Compact Litigation — Legal analysis of Compact Article III(c) arguments and litigation triggers; primary source for the legal posture section.

• Best Lawyers: Colorado Water Rights 2026 — A New Era of Conflict Begins — Overview of the litigation landscape as of 2026.

Infrastructure & federal money

• Circle of Blue: Reclamation Signs Agreement on Desalinated Water Trades — Best summary of the June 3 MOU; explains the "paper trades" mechanism clearly.

• 8 News Now: Moving Water 'On Paper' at Heart of New 3-State Agreement — Good explainer on the accounting mechanism for a general audience.

Imperial Valley & IID

• KPBS: Imperial Valley Data Center Developer Files Lawsuit Seeking Access to Colorado River Water — Primary source on the IVCM v. IID lawsuit; clearest account of the water offset argument.

• Desert Review: Data Center Developer Sues IID Over Water Service Denial — Local perspective on the lawsuit and IID's denial rationale.

• Desert Review: New Colorado River Water Exchange Framework Raises Questions for Imperial Valley Agriculture — Localized take on the desalination MOU's implications for IID's position.

• Desert Review: Salton Sea Authority Director Issues Statement on IID Board Decision — Authority's response to IID's exit vote.

• IV Press: IID Transitions Leadership Role from Salton Sea Authority to State's Salton Sea Conservancy — IID's own framing of the governance shift.

Hydrology

• Western Water: Lake Powell Faces Power Loss by Spring 2027 — Most current (June 17) reporting on the minimum power pool timeline; includes the January 2027 projection.

• Weather.com: Lake Powell Inches Toward Critical Threshold — Good visual context on current elevations.

• USBR 24-Month Study (May 2026) — Primary source; Reclamation's operational modeling.

• CAP Colorado River Conditions Dashboard — Real-time tracker for Mead/Powell elevations and shortage tier status.

🎲 One More Thing

Colorado River trivia: The Colorado River Compact of 1922 was signed on November 24 — the day before Thanksgiving — at a conference in Santa Fe, New Mexico. The negotiators divided the river into Upper and Lower Basins at Lee's Ferry, Arizona, a point chosen largely because it was the only surveyed gauge location with multi-year flow data at the time. The 7.5 MAF/year allocation to each basin was based on what turned out to be one of the wettest decades in the river's recorded history — hydrologists have since estimated the "natural" long-term average annual flow is closer to 13–14 MAF, not the 15 MAF the Compact assumed. The math has been broken since day one.

Imperial Valley / IID trivia: The Salton Sea — now at the center of IID's governance restructuring — was not always a sea. Ancient Lake Cahuilla, the predecessor body of water, filled and dried multiple times over thousands of years as the Colorado River periodically changed course and flooded the Salton Sink. Indigenous Cahuilla, Kumeyaay, and Quechan peoples lived along its shores and left behind fish traps, campsites, and shell middens at elevations hundreds of feet above the current Salton Sea's waterline. The 1905–1907 Colorado River break that created today's Salton Sea was actually the latest in a geological series — the river has been doing this for millennia.

760Times is powered by [MyRiver.us](https://myriver.us) — Colorado River intelligence for the Lower Basin.MyRiver.us — Colorado River intelligence for the Lower Basin.*

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most Important

Flaming Gorge's emergency drawdown is now hitting the recreation economy in real time. WyoFile/Inside Climate News published today on marina closures, falling fish access, and "devastating" losses for Wyoming–Utah outfitters — the first sustained economic-damage coverage of the Burgum emergency plan's collateral costs in the Upper Basin.

🏛️ Federal / Interior / Reclamation

• June 5 — Reclamation's 10-year biennial framework: Reclamation announced it will proceed with its own post-2026 operational framework — a 10-year plan requiring renegotiation every two years — as a fallback after states failed to reach consensus. A Final EIS and Record of Decision are targeted before October 1, 2026 (start of Water Year 2027).

• June 8 — Desalinated water MOU: Reclamation and six Lower Basin agencies (SDCWA, MWD, SNWA, ADWR, Central Arizona Water Conservation District, and Salt River Project) signed an MOU to explore interstate "paper water" exchanges involving desalinated and recycled water. Signed at the Carlsbad Desalination Plant. First framework of its kind for the seven-state basin.

• June 10 — Senate ENR hearing: The Senate Energy and Natural Resources Committee held oversight hearings on post-2026 operations. Interior/Reclamation officials testified; MWD's Bill Hasencamp represented the Lower Basin. The session reportedly devolved partly into committee process disputes before witnesses could address the water crisis itself.

• Navajo-Gallup Water Supply Project: On June 10, Reclamation awarded a $75.5M contract (Flatland Energy Services) for Block 2-3 Pipeline HDD construction in northwest New Mexico — largest tribal water infrastructure move recently.

💧 Reservoir Ops & Hydrology

• Lake Powell: ~3,527–3,528 ft as of early June (roughly 23% of full capacity). Minimum probable inflow for Water Year 2026 projected at 2.78 MAF — 29% of historical average, one of the lowest on record. Risk of dropping below 3,490 ft (minimum power pool) by August 2026 remains live without continued Flaming Gorge drawdown.

• Lake Mead: Slipped below 1,050 ft in early June (registered ~1,049 ft on June 5–12); some recovery to ~1,055 ft in mid-June. System operating at roughly 32–33% weighted average capacity.

• Flaming Gorge: Elevation 6,017.5 ft (77% capacity) as of early June, with June unregulated inflow forecast at 160,000 AF (41% of average). Emergency releases of 660K–1M AF are proceeding on schedule (Apr 2026–Apr 2027). Reservoir expected to hit its lowest-ever recorded level by late summer 2026.

• Glen Canyon Dam releases: Cut from 7.48 MAF to 6.0 MAF for WY 2026 per Burgum emergency plan.

⚖️ Policy, Legal, Post-2026 Negotiations

• June 11 — Sen. Mike Lee's $354M threat: At the Senate ENR hearing, Committee Chair Lee (R-UT) warned that Lower Basin states choosing to sue over Colorado River operations "should not expect Congress to reward that decision with additional federal funding." He specifically threatened to block $354M in Inflation Reduction Act conservation funds — the backbone of the May 1 Lower Basin 3.2 MAF proposal's voluntary conservation incentive structure. This is a direct pressure campaign against Arizona's litigation track.

• Legal posture: Arizona retains Sullivan & Cromwell; no new filings reported today. Legal observers expect SCOTUS original jurisdiction is the likely venue if litigation proceeds. One Colorado official on record predicting a SCOTUS case within 12 months.

• Post-2026 DEIS / FEIS: Public comment period closed March 2. Final EIS pending; Reclamation has not yet designated a preferred alternative. Record of Decision must precede October 1.

• Meeting posture: No new governor-level face-to-face signals found today. Most recent commissioner-level caucus was the April 17 Las Vegas meeting. The June 10 Senate hearing is the highest-profile escalation move since then — congressional oversight, not just agency process.

• UCRC: No new statement found since May's "insufficient" call for mediation.

🌾 Lower Basin / Imperial Valley Specific

• IID severs Salton Sea Authority ties: IID's Board voted to end its formal relationship with the Salton Sea Authority, effective June 30, 2026, transitioning its institutional role to California's Salton Sea Conservancy. The Authority is reshuffling leadership and adopted a new strategic plan before IID's departure. The Salton Sea Authority director issued a public statement. This is a significant governance change for Salton Sea restoration — IID had been a founding member and primary water-rights holder driving the Authority's mandate.

• Desalinated water MOU: SDCWA and MWD are co-signatories on the June 8 Reclamation MOU — placing both Southern California agencies inside a framework that could eventually provide supply-side relief to reduce pressure on Colorado River allocations.

• May 1 LB proposal status: The 3.2 MAF bridge proposal (AZ 760K + CA 440K + NV 50K mandatory; 700K–1M voluntary; tribal pool; ICS extension) remains on the table. Lee's $354M threat targets the voluntary component's federal funding mechanism, raising uncertainty about whether the proposal is still viable as structured.

• No new IID board action items reported today beyond the Salton Sea Authority severance.

📹 Latest Local Meetings *(via munigraph.ai)*

Always included — standing entries.

• IID Board of Directors — June 17, 2026 (IID meets first and third Tuesday; June 17 was the most recent. Direct recording link pending Granicus update — archive page linked.)

• Imperial County Board of Supervisors — June 16, 2026 (June 16 BOS returned with data center resolution item per June 2 direction. Archive page linked.)

📈 Significance for Imperial Valley

IID's exit from the Salton Sea Authority — effective in 12 days — removes the district's formal institutional voice from the Authority at the exact moment when post-2026 water delivery uncertainty is highest. The Salton Sea's mitigation funding (nearly $250M authorized) is tied to IID's conservation commitments, which remain intact, but governance continuity is now the question. Meanwhile, Lee's threat to block $354M in IRA funds hits the voluntary conservation incentives that IID and other Lower Basin agencies were counting on for system savings — if that funding is genuinely at risk, the May 1 LB proposal needs to be restructured before fall.

📰 Further Reading

The big picture

• Sierra Club: "Can the Colorado River Survive 2026?" — Accessible overview of the crisis, useful for non-specialist context-setting.

• Inside Climate News: "A River That Millions Rely on for Water Is on the Brink" — Late-2025 piece still useful for framing where negotiations stalled entering 2026.

Negotiations & policy

• Senate ENR Committee: June 10 Hearing Oversight Page — Primary source; links to written testimony.

• Legis1: "Colorado River Basin 2026 Crisis: Senate Deadlock" — Useful summary of where the Senate stands.

• Circle of Blue: Federal Water Tap, June 8 — Best single read on the Carlsbad desalinated water MOU; explains the "paper water" mechanism.

• USBR: Desalinated water MOU press release — Primary source for the June 8 Reclamation agreement.

Legal

• KUER: "Mike Lee warns Lower Colorado River states" — Clean, primary-source account of Lee's $354M threat.

• Utah News Dispatch: Full Lee warning story — Adds detail on what states would forfeit.

• AZ Mirror: "Arizona hires high-powered law firm" — Background on Sullivan & Cromwell retention (March 2026); still the best single read on Arizona's litigation posture.

• KTS Law: "Colorado River Developments and Potential Compact Litigation" — Legal analysis of compact breach risk and SCOTUS trajectory; Upper Basin perspective.

Imperial Valley & IID

• Desert Review: "Salton Sea Authority director issues statement on IID board decision" — IID/SSA governance break; primary statement from Authority director.

• Imperial Valley Insight: "IID Board Votes to Terminate Agreement on Salton Sea Restoration" — Local perspective on IID exit.

Hydrology

• Inside Climate News: "Emergency Drawdown at Flaming Gorge Hits Its Recreation Economy" — Published June 16; the most developed piece on the economic toll of the Burgum emergency plan's Flaming Gorge component.

• KUNC / WyoFile: "'It's devastating'" — Ground-level reporting from marinas and outfitters; republished June 18 via Coyote Gulch. Best read for human impact.

• Weather.com: "Lake Powell inches toward critical threshold" — Updated Powell elevation reporting as of early June.

• USBR: Glen Canyon Dam operations tracker — Standing real-time tracker.

• USBR: Lower Colorado Weekly Hydrologic Update (June 1) — PDF; most recent weekly ops update available.

🎲 One More Thing

Colorado River trivia: The 1922 Colorado River Compact was negotiated in just 18 days at Bishop's Lodge outside Santa Fe — but the flow estimates its drafters used were based on roughly 20 years of gauge data that happened to coincide with one of the wettest periods in the past 1,200 years. Tree-ring studies conducted decades later revealed that the river's long-run average flow is closer to 13–14 MAF, not the 16–17 MAF implied in 1922. The basin was legally overallocated before a single drop was formally diverted.

Imperial Valley / IID trivia: The original Imperial Canal, dug in 1901 to bring Colorado River water to the Imperial Valley, routed its headgate through Mexican territory — a shortcut that proved catastrophic in 1905. When a series of floods overwhelmed the canal's intake and breach-repair crews couldn't get heavy equipment across the border fast enough, the Colorado River flowed uncontrolled into the Salton Sink for nearly two full years. The resulting flood created the modern Salton Sea — 35 miles long, a permanent accident that is now Central Flyway habitat, a geothermal energy corridor, and the center of one of the most complex water-governance disputes in North American history.

760Times is powered by [MyRiver.us](https://myriver.us) — Colorado River intelligence for the Lower Basin.MyRiver.us — Colorado River intelligence for the Lower Basin.*

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most Important

Imperial County Board voted yesterday (June 16) to impose a 45-day data center moratorium on unincorporated county areas, citing water and power consumption fears — a local governance signal directly tied to IID's Colorado River water supply concerns and grid stress in the hottest desert county in America. Also: Arizona's Colorado River legal fund jumped to $9 million after lawmakers added $6M on June 12, while MWD is eyeing a parallel increase — the litigation machine is warming up on both sides.

🏛️ Federal / Interior / Reclamation

Senate hearing, June 10 — funding threat goes public. At the Senate Energy and Natural Resources Committee oversight hearing on post-2026 operations, Sen. Mike Lee (R-UT, chair) threatened to block ~$354M in remaining IRA conservation funds if Lower Basin states sue Upper Basin states or the federal government over Colorado River operations: "States that choose to sue their fellow basin states over Colorado River operations should not expect Congress to reward that decision with additional federal funding." The money at stake is central to the LB's May 1 proposal, which depends on IRA funding to incentivize voluntary conservation. Lee's threat turns that proposal's financial architecture into a political hostage.

Interior rejects Glen Canyon Dam infrastructure overhaul. At the same hearing, Sen. Martin Heinrich pressed whether Glen Canyon needs alternative low-level outlets to operate safely below minimum power pool (3,490 ft). Assistant Secretary Andrea Travnicek called it a "false narrative" and declined to authorize additional investment: "I think we need to figure out how to manage this responsibly together first." Lower Basin states and tribes have pushed hard for outlet works; this is a clear rejection — for now.

Reclamation desalination agreement, June 8. Reclamation signed a multi-party agreement to explore Colorado River water swaps involving desalinated and recycled water in the Lower Basin. Acting Commissioner Scott Cameron framed it as "groundwork for a major leap forward." Structural, not operational — no immediate acre-footage.

💧 Reservoir Ops & Hydrology

• Lake Powell: ~3,527 ft (~23–25% full). Still well above the 3,490 ft minimum power pool threshold but trending down with inflows at ~13% of normal. Reclamation's April 24-Month Study projected a potential breach below 3,490 ft by August 2026 without intervention; Flaming Gorge releases (660K–1M AF, Apr 2026–Apr 2027) are the primary buffer.

• Lake Mead: Dropped to ~1,049 ft (down from ~1,055 ft at end of May, ~28% full). Projections point to 1,040 ft by July — which would tie the all-time record low set in July 2022. The reduced Powell releases (6.0 MAF vs. 7.48 MAF through Sep) are accelerating Mead's decline, with potential 40% reduction in Hoover Dam hydropower capacity this fall.

• El Niño confirmed — potentially major. NOAA confirmed El Niño's arrival this week (June 15 advisory), with signals of a potentially historic-strength event. This historically tilts the Southwest toward above-normal winter precipitation — the most relevant forward-looking hydrology signal since spring. Won't help 2026 water year; could materially improve 2027 inflows and reservoir recovery if strong enough.

• Snowpack/runoff context: Upper Basin 2025–26 snowpack peaked at 58% of normal (second-lowest peak on record); spring runoff forecast at 10–40% of normal. Denver Water declared Stage 1 drought in March. These conditions drove the April emergency action.

⚖️ Policy, Legal, Post-2026 Negotiations

Litigation posture sharpening on both sides. Arizona boosted its legal war chest from $3M to $9M (Arizona legislature approved $6M addition on June 12). MWD is moving to increase its own legal fund — specific amount still in board process (Legistar filing circulating). Combined, this signals California and Arizona are accelerating parallel litigation readiness, even as negotiations technically continue.

Legal posture summary:

• Arizona: $9M fund, Sullivan & Cromwell retained

• MWD (CA): Fund increase pending board action

• Lee's $354M IRA threat: aimed at deterring LB litigation; legally untested but politically significant

• No SCOTUS filings or federal court actions confirmed in current cycle

• Post-2026 NEPA: Interior targeting a Record of Decision by Oct. 1, 2026 — in the absence of state consensus, Interior will impose operations

Meeting posture: The June 10 Senate hearing was the most visible recent escalation venue — a congressional forum, not a negotiating table. No confirmed governor-level in-person escalation since the April 17 Las Vegas caucus. The dynamic remains commissioner-level; no confirmed joint governor statements this week.

Mediation prospects dim. UCRC called the LB's May 1 proposal "insufficient" and called for mediation (May 2026); Courthouse News reported this week that "compact negotiators see rocky road toward mediation" — no formal mediator retained.

🌾 Lower Basin / Imperial Valley Specific

Imperial County Board of Supervisors — data center moratorium, June 16. In a unanimous vote at its regular meeting yesterday, the Imperial County Board of Supervisors approved an urgency interim ordinance imposing a 45-day moratorium on new data center approvals in unincorporated county areas. The Board also voted to establish a 19-member advisory body to assess land use and zoning options. The city of Imperial had already enacted a separate 45-day moratorium on June 3. Community opposition has centered on water and electricity consumption in a desert county whose grid and water supply are already under stress.

IID board met June 16 — regular bimonthly meeting. No new IID press release surfaced in today's research; IID's May 15 expanded conservation agreement (100K AF additional savings) remains the most recent major IID water action. IID holds 3.1 MAF in Colorado River entitlements with 1901 priority — senior position continues to matter as post-2026 framework approaches.

MWD legal fund increase pending. MWD's board has a Legistar filing circulating to increase its legal war chest. No dollar figure confirmed yet in public filings.

📹 Latest Local Meetings *(via munigraph.ai)*

Always-on entries regardless of other news.

• IID Board of Directors — June 16, 2026

• Imperial County Board of Supervisors — June 16, 2026 (voted 5–0 on data center moratorium urgency ordinance)

📈 Significance for Imperial Valley

The data center moratorium passed by the Imperial County Board yesterday is the most locally consequential development of the week — it signals that the community is now actively defending its water and power headroom, not just deferring to economic development pressure. Combined with Arizona's legal fund reaching $9M and MWD's parallel move, the Lower Basin is hardening on two fronts simultaneously: legal readiness for a post-2026 Compact fight AND local resistance to new water/power loads. For IID and the Salton Sea, the El Niño confirmation is the lone forward-looking upside: a strong event this winter could partially reset the hydrology picture by spring 2027, buying time for a negotiated framework — but only if the current reservoir triage holds through summer.

📰 Further Reading

The big picture

• Circle of Blue: Colorado River Debate Gets Political (June 15) — Best single read on the Lee funding threat and the Senate hearing dynamics; confirms MWD legal fund move. Primary source.

• Circle of Blue: Glen Canyon Dam Faces Its Existential Moment — Context on the outlet works debate Interior just rejected. Essential background.

Negotiations & policy

• Senate Energy Committee: Post-2026 Oversight Hearing (June 10) — Official hearing record; full testimony available.

• Courthouse News: Rocky Road Toward Mediation — Best read on why the UCRC/LB mediation call is going nowhere fast.

• Legis1: Senate Deadlock — Overview of congressional dynamics and the 2026 guidelines expiration.

Legal

• KJZZ: Arizona Adds $6M to Colorado River Legal Fund (June 12) — Primary source on Arizona's $9M total fund.

• Utah News Dispatch: Lee Warns Downstream States (June 11) — Most complete coverage of the $354M IRA threat.

• KTS Law: Colorado River Compact Litigation Overview (Apr 2026) — Legal analysis of compact litigation risk; good primer.

Infrastructure & federal money

• Bureau of Reclamation: Acts to Protect Colorado River System (Apr 17) — Official source for the Burgum emergency plan (Flaming Gorge + Powell release cut). Known context, but primary source link.

• ENR: States Clear Emergency Water Transfer as System Nears Hydropower Floor — Good engineering detail on the Flaming Gorge release mechanics.

• Circle of Blue: Hoover Dam Approaches a Hydropower Cliff (May 31) — Best piece on Mead/Hoover hydropower trajectory; directly relevant to Mead's current slide.

Imperial Valley & IID

• inewsource: Data Center Race Officially on Pause in Imperial County (June 16) — Breaking. Best coverage of yesterday's BOS vote; includes water/power context.

• Calexico Chronicle: Imperial Implements 45-Day Data Center Moratorium (June 9) — City of Imperial's earlier action; good local perspective.

• KYMA: Imperial County Board Hears Public Comments on Data Centers (May 19) — Community voice on water/power fears; useful backstory for the moratorium.

Hydrology

• Weather.com: Lake Powell Inches Toward Critical Threshold (June 9) — Current elevation reporting and minimum power pool risk analysis.

• 8NewsNow: Lake Mead Keeps Dropping Toward New Low — Mead vs. Powell divergence.

• Weather West: Rising Odds of a Strong-to-Historic El Niño Event — Best single read on what this El Niño could mean; credible forecaster, SW-focused. Important forward-looking signal.

• USBR Glen Canyon Dam Operations — Real-time Powell elevation and operations data.

• USBR 24-Month Study — May 2026 most-probable projection; Powell/Mead elevation forecasts through 2027.

🎲 One More Thing

Colorado River trivia: The Colorado River Compact of 1922 was negotiated based on streamflow data from 1905–1921 — one of the wettest periods in the Colorado River's recorded history. The commissioners allocated 16 MAF/year (7.5 MAF Upper Basin, 7.5 MAF Lower Basin, 1.5 MAF to Mexico added in 1944), but the river's long-term average flow is now estimated at roughly 12–13 MAF/year. The entire legal architecture of western water was built on a statistical fluke. Herbert Hoover, then Secretary of Commerce, chaired the negotiations — and later built the dam that bears his name, which both solved and institutionalized the overallocation.

Imperial Valley trivia: Before the All-American Canal opened in 1940, Imperial Valley farmers relied on a partially Mexico-routed canal system vulnerable to silt and floods. The All-American Canal — entirely within U.S. territory — carries up to 3.1 million acre-feet of Colorado River water per year and is the largest irrigation canal in the world by volume. When completed, it stretched 80 miles from the Colorado River near Yuma to the Imperial Valley and required lining sections to stop water seeping into adjacent sand dunes. The lining project, finally completed in 2010 after decades of diplomatic dispute with Mexico, reduced seepage by ~67,700 acre-feet per year — water that had been sustaining wetlands in Baja California and is now a source of ongoing binational tension.

760Times is powered by [MyRiver.us](https://myriver.us) — Colorado River intelligence for the Lower Basin.MyRiver.us — Colorado River intelligence for the Lower Basin.*

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most Important

Legal war chests are growing fast on both sides of the basin. Arizona lawmakers added $6M to their Colorado River litigation fund on June 12, bringing the total to $9 million — triple the original amount. MWD is separately moving to expand its own legal reserves. Sen. Mike Lee (R-UT) responded by threatening to block $354 million in federal conservation aid if Lower Basin states sue Upper Basin states. The basin's post-2026 endgame is now openly playing out as a pre-litigation posture drill on both sides.

🏛️ Federal / Interior / Reclamation

• Interior proceeding solo with a 10-year management framework after seven-state negotiations collapsed by the June 5 deadline. Renegotiation built in every two years. No Final EIS yet.

• Glen Canyon overhaul rejected. At the June 10 Senate hearing, Assistant Secretary Andrea Travnicek called demands for new low-water infrastructure at Glen Canyon a "false narrative," saying states should manage responsibly before spending on engineering fixes.

• Desalination MOU signed June 3–4 at Carlsbad: Reclamation + 6 water agencies in AZ, CA, NV exploring interstate paper water swaps involving desalinated and recycled water. Structural framework only — no water committed.

• Navajo-Gallup Project: $75.5M contract awarded for Block 2–3 Pipeline HDD construction (minor; unrelated to shortage fight).

💧 Reservoir Ops & Hydrology

• Lake Powell ~3,527 ft (~37 ft above minimum power pool of 3,490 ft). System-wide storage at 34%. Dec. 31 forecast: 3,504 ft under Most Probable scenario.

• Lake Mead crossed 1,049 ft mid-June — below the 1,050 ft threshold, projected at 1,037 ft by year-end.

• Upper Basin inflow to Powell: forecast at 23% of normal for the water year; snowpack peaked at 58% of normal on March 18 (second-lowest on record).

• El Niño confirmed by NOAA as of June 15. Could bring wetter-than-normal conditions to the Southwest this coming winter — potentially meaningful for Powell's outlook by spring 2027. NOAA notes this may be one of the strongest El Niños on record.

⚖️ Policy, Legal, Post-2026 Negotiations

Arizona legal fund: $9M total — legislature added $6M on June 12. Sullivan & Cromwell remains outside counsel.

MWD legal posture: Metropolitan Water District's board is reviewing a proposal to expand its own legal war chest (per Legistar documents surfaced by Circle of Blue, June 15).

Mike Lee funding threat (June 10 Senate hearing): Stated that states suing other states should "not expect Congress to reward that decision with additional federal funding." Specifically targets $354M in IRA-funded conservation money available to LB states.

Meeting posture: Utah and Wyoming sent officials to DC the week of June 12 pushing for a seven-state deal before Oct. 1. Still at commissioner/agency level — no governor-to-governor face-to-face has emerged. Amy Haas (Colorado River Authority of Utah) at the Senate hearing: "The window to solve this without lawyers, judges and generational damage to basin relationships is shrinking faster than Lake Powell."

UCRC mediation call (prior weeks, still operative): UCRC called for structured mediation among seven states and Interior — no acceptance from LB yet.

SCOTUS risk: Legal analysts flag potential Supreme Court filing as early as October 2026 if no deal by Oct. 1 guideline expiration.

🌾 Lower Basin / Imperial Valley Specific

• IID ending Salton Sea Authority relationship effective June 30, 2026. Board voted to withdraw from the formal joint-authority structure; the Salton Sea Authority continues its restoration mission independently.

• IID conservation: ~700K AF conserved in 2025, lifting Mead ~4 ft. Up to 100K AF additional 2026 savings authorized (May 15). Extended system conservation agreement still active.

• Imperial County BOS June 16 meeting (TODAY): Board is voting on a data center resolution and creation of an ad hoc committee to study land use amendments — significant for IID's water and power demand planning.

📹 Latest Local Meetings *(via munigraph.ai)*

Always-on entries regardless of other news.

• IID Board of Directors — Recording Archive — IID's main site is client-rendered; use Granicus archive for latest recorded meeting.

• Imperial County Board of Supervisors — June 16, 2026 — Today's meeting includes data center resolution vote and ad hoc committee formation.

📈 Significance for Imperial Valley

The Mike Lee funding threat is the sharpest political escalation since the LB bridge proposal. It forces California and Arizona into an uncomfortable choice: pursue the Compact III(c) argument (anchored in the CRB/IID DEIS comment letter) and risk losing $354M in conservation aid, or stand down and accept Interior's unilateral framework. IID's exit from the Salton Sea Authority shifts restoration accountability and could complicate the CRB/IID unified-front framing. El Niño confirmation is the best near-term hydrology news in months — a strong event could meaningfully improve Powell's spring 2027 outlook.

🎲 One More Thing

Colorado River trivia: The Lee Ferry gauging station in northern Arizona — the legal dividing point between the Upper and Lower Basins under the 1922 Compact — wasn't chosen because it's a natural boundary. It was selected largely because it was the nearest downstream point from the Grand Canyon with road access, making streamflow measurements practical. All of the Compact's delivery obligations are calculated at this single stretch of gravel bank, making it arguably the most consequential real estate in Western water law.

Imperial Valley / IID trivia: Long before IID's All-American Canal brought Colorado River water entirely through U.S. soil in 1940, the Imperial Valley was irrigated via the Alamo Canal, which ran through Mexican territory. Farmers accepted the legal risk of water flowing across another country's soil — and that gamble nearly ended the valley in 1905 when a break in the headworks sent the entire Colorado River into the Salton Sink for nearly two years, creating today's Salton Sea. The all-American routing of the replacement canal was as much a political decision as an engineering one.

760Times is powered by [MyRiver.us](https://myriver.us) — Colorado River intelligence for the Lower Basin.MyRiver.us — Colorado River intelligence for the Lower Basin.*

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

📰 Further Reading

The big picture

• Circle of Blue: With Threat to Withhold Funding, Colorado River Debate Gets Political (June 15) — Best single read of the week: Mike Lee's threat, MWD's legal posture, the Glen Canyon infrastructure fight, and El Niño confirmation.

• Denver Gazette: With No 7-State Deal, Interior Turns to 10-Year Strategy (June 5) — Lays out Interior's unilateral framework plan and timeline.

Negotiations & policy

• Senate ENR Hearing: Oversight of Colorado River Basin (June 10) — Primary source; transcripts and testimony available.

• KJZZ/Wyoming Public Media: States Inch Closer to Court Battle (June 11–12) — Best hearing recap; includes Amy Haas quote and 34% storage context.

• Deseret News: Utah and Wyoming Leaders Meet in DC (June 12) — UB escalation signal: agencies physically traveling to DC.

• 8NewsNow: 3-State Desalination MOU (June 4) — Good explainer on the paper water swap framework.

Legal

• KJZZ: Arizona Lawmakers Add $6M to Colorado River Legal Fund (June 12) — Primary source on the $9M total.

• Utah News Dispatch: Mike Lee Warns Downstream States (June 11) — Full context on Lee's $354M funding threat.

• Cronkite: Arizona Faces 77% Cut as States Remain Deadlocked (June 9) — Quantifies Arizona's shortage exposure under federal imposition.

Hydrology

• Weather.com: Lake Powell Inches Toward Critical Threshold (June 9) — Current Powell level and hydropower cliff context.

• NOAA ENSO Advisory — El Niño confirmation; check for Southwest precipitation outlook.

• Reclamation: Lower Colorado Weekly Hydrologic Update (June 1) — Standing data tracker.

• Reclamation: May 2026 24-Month Study — Standing reservoir projections.

Imperial Valley & IID

• Desert Review: Salton Sea Authority Director Statement on IID Board Decision — IID withdrawal from Salton Sea Authority and SA director's response.

• Calexico Chronicle: Board of Supervisors Considers Data Center Resolution (June 3) — Background on today's BOS vote.

🚨 Breaking / Most Important

Sen. Mike Lee threatens to block $354M in IRA conservation aid if any Lower Basin state sues another state or the federal government over Colorado River operations. The warning, issued June 10–11 at a Senate Energy & Natural Resources Committee hearing, targets the IRA drought funds that are the backbone of the LB's May 1 bridge proposal — and the funding expires Sept. 30 if not obligated. The mechanism: Lee chairs the committee and doesn't need to pass new legislation — he just needs the funds to expire. Inaction is the weapon.

🏛️ Federal / Interior / Reclamation

• Mechanism of the Lee threat clarified. As Senate Energy & Natural Resources chair, Lee doesn't need a floor vote or bipartisan support. He just needs to stall or pressure Interior/Bureau of Reclamation to hold the money while the Sept. 30 clock runs out — at which point the unobligated balance reverts to Treasury automatically. Interior could potentially obligate funds unilaterally before he acts, but that would require the agency to move against the committee chair's stated position.

• Interior's posture: Assistant Secretary Andrea Travnicek testified June 10 that Reclamation "cannot accept either the May 1 [LB] proposal or the latest Upper Basin proposal as they currently stand." An interagency water subcabinet meeting was held June 11. No new federal operational orders issued.

• Arizona's legal war chest grows. State lawmakers added $6M to Arizona's Colorado River legal fund, bringing it to $9M. MWD is also seeking to increase its legal reserves. Both signals confirm lower basin states are actively war-gaming litigation even as they negotiate.

💧 Reservoir Ops & Hydrology

• Lake Powell: ~3,527 ft. Most-probable year-end projection: 3,504 ft. Minimum power pool threshold is 3,490 ft — risk of breaching it by August 2026 without upstream intervention. Inflow at ~29% of historical average.

• Lake Mead: ~1,049 ft. Most-probable year-end: 1,037 ft.

• System total: ~20,075 KAF (34% capacity), down ~3,366 KAF year-over-year.

• Flaming Gorge: Emergency releases (600K–1M AF through Apr 2027 per Burgum's April 17 plan) ongoing. Recreation economy in the Green River corridor is absorbing real losses — boats aground, marinas stranded.

⚖️ Policy, Legal & Post-2026 Negotiations

The $354M in detail. The at-risk funds are the remaining unobligated balance from the IRA's original $4B drought fund. They're the payment mechanism for new voluntary conservation commitments in 2027–2028 under the LB's May 1 bridge proposal — 3.2 MAF in total reductions across AZ, CA, and NV. Without this money, the voluntary approach collapses and mandatory federal cuts kick in instead, with Arizona facing up to 77% reductions under one alternative.

Who's actually targeted. Lee's threat aims at the Lower Basin collectively — Arizona, California, and Nevada. It is not specifically targeted at any single agency or program. IID's Deficit Irrigation Program (DIP) is funded under the same IRA umbrella, but IID's 2026 DIP is already smaller due to cumulative federal funding caps — meaning most of IID's IRA-funded conservation is already obligated and not at immediate risk from Lee's threat. What's at risk is the next tranche of incentive payments that would need to be locked in before Sept. 30 to keep the voluntary conservation framework alive into 2027.

IID's strategic position. IID holds the most senior surface water rights on the Colorado River, with a priority date of 1901. Under both the Reclamation-imposed federal plan and the voluntary framework, mandatory cuts fall on junior users first. IID is somewhat insulated from the worst-case scenarios — but IID's compensation stream (payment for voluntary conservation above its baseline) depends on the IRA funds remaining available. If litigation triggers Lee's threat and the $354M expires, IID loses that compensation stream even if its water deliveries are protected. The May 1 LB proposal notably extended new ICS (Intentionally Created Surplus) benefits to IID, which did not sign the 2019 Drought Contingency Plan — an explicit inducement for IID's cooperation. That inducement also disappears if the funding does.

Meeting posture: No governor-level face-to-face meetings since the April 17 Las Vegas summit. Negotiations are running through Reclamation's formal NEPA/EIS track. UCRC's call for mediation (May) has not produced a new mediator or process.

🌾 Lower Basin / Imperial Valley Specific

• IID conservation: The 100K AF expanded agreement approved May 15 remains IID's most recent action. IID's 2026 DIP is running at reduced scale due to federal funding caps — a dynamic that will matter if the broader $354M IRA pool is frozen.

• Salton Sea: No new state or federal funding. Structural tension between conservation mandates and Salton Sea mitigation obligations remains unresolved in the post-2026 DEIS scope.

• Imperial County BOS: June 16 meeting today — data center moratorium resolution expected. Watch for how the board frames IID's power load obligations in any land-use restrictions.

• MWD: Adding to its legal war chest alongside Arizona. MWD's legal posture will define California's response if Arizona files.

📹 Latest Local Meetings *(via munigraph.ai)*

• IID Board of Directors — June 3, 2026 (next meeting: June 17)

• Imperial County Board of Supervisors — June 16, 2026 (meeting today — data center moratorium vote expected)

📈 Significance for Imperial Valley

Lee's $354M threat is the sharpest near-term pressure point for the region. IID's direct 2026 conservation payments are largely already obligated, but the voluntary framework that protects IID's cooperative posture — and the ICS extension that was designed to bring IID fully into the post-2026 deal — depends entirely on the unobligated portion surviving to Sept. 30. If litigation triggers the funding freeze, the LB's voluntary approach collapses and the federal default plan takes over: one version of that plan cuts Arizona 77% and Nevada 6%, while Upper Basin states and California's senior holders (including IID) take far less. That outcome is technically "good" for IID's water deliveries but terrible for basin-wide stability and the Salton Sea mitigation funding chain. Today's Imperial County BOS data center vote is the local wildcard — any county-level restriction on data center development affects IID's power revenue baseline at exactly the wrong time.

📰 Further Reading

The big picture

• Legis1: Colorado River Basin 2026 Crisis — Senate Deadlock — Best single read on the stalled multi-state process and federal intervention dynamics.

• Circle of Blue — Federal Water Tap, June 15, 2026 — Confirmed Lee's threat as the week's top federal water story; also covers El Niño arrival (wetter odds for SW this winter).

Negotiations & policy

• USBR: CR Post-2026 Operations Hub — Primary source for the DEIS, alternatives, and record of decision timeline.

• Maven's Notebook: Lower Basin proposal and next steps — Best breakdown of the May 1 LB proposal structure including the ICS extension to IID.

Legal

• Cronkite News: Utah senator warns Arizona, other downstream states, they'll forfeit $354M — Primary report on Lee's funding threat; IRA context and Sept. 30 deadline.

• KJZZ: Arizona lawmakers add $6M to Colorado River legal fund — Confirms Arizona's legal fund now at $9M; clearest signal of litigation intent.

• Arizona Mirror: Arizona hires Sullivan & Cromwell — Background on Arizona's outside counsel retention.

Imperial Valley & IID

• IID: Deficit Irrigation Program — Primary source on IID's DIP structure and 2026 scope under the SCIA.

• IID: Post-2026 Colorado River Operations Must Comply with the Law of the River — IID's formal DEIS comment position; anchor document for IID's legal framing.

• iNews Source: Imperial County considers data center moratorium — BOS vote is today June 16; IID power load implications.

Hydrology

• USBR: Glen Canyon Dam real-time water operations — Standing tracker for Powell elevation.

• USBR: Lower Colorado Weekly Hydrologic Update (June 1) — Latest weekly PDF; Mead operations and LB delivery data.

• Weather.com: Lake Powell inches toward critical threshold — Published June 9; clearest non-specialist explainer on the 3,490 ft minimum power pool risk.

🎲 One More Thing

Colorado River trivia: The Sept. 30 fiscal-year expiration that gives Lee his leverage is the same calendar cliff that has driven virtually every major water deal in the West. Federal appropriations for drought contingency, IRA conservation, and infrastructure funds all run on this annual cycle — meaning the most consequential water negotiations happen in a compressed summer window each year, with Treasury reversion as the hammer. It's a feature of federal budgeting that western water lawyers plan their entire year around.

Imperial Valley trivia: IID's 1901 water rights — the oldest major surface rights on the Colorado — predate the river's entire legal framework. The 1922 Colorado River Compact, the 1944 Mexico Treaty, the Boulder Canyon Act, and the Law of the River were all built around IID's pre-existing claims. In a system where "first in time, first in right" is the fundamental rule, IID's century-old priority date is the single most important number in any shortage scenario — which is why every post-2026 framework, voluntary or mandatory, is structured to protect it.

760Times is powered by [MyRiver.us](https://myriver.us) — Colorado River intelligence for the Lower Basin.MyRiver.us — Colorado River intelligence for the Lower Basin.*

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most Important

Sen. Mike Lee threatens to block $354M in IRA conservation aid if any Lower Basin state sues another state or the federal government over Colorado River operations. The warning, issued June 10–11, targets the IRA drought funds that are the backbone of the LB's May 1 bridge proposal — and the funding expires Sept. 30 if not obligated.

🏛️ Federal / Interior / Reclamation

• June 5 — Reclamation announces 10-year post-2026 framework. After states missed the consensus deadline, Reclamation said it will proceed with its own 10-year management plan subject to re-negotiation every two years. No state preferred alternative was selected. This is now the de facto default unless a consensus EIS preference emerges before Oct. 1, 2026.

• June 8 — Desalination/recycled water MOU signed. Reclamation inked a memorandum with six agencies — SDCWA, MWD, SNWA, ADWR, CAWCD, and Salt River Project — to explore interstate "paper water" swaps using desalinated ocean water or recycled wastewater. No new supplies created yet; establishes the evaluation framework. Voice of San Diego called it a "QSA 2.0" dynamic.

• June 10 — Senate Energy & Natural Resources Committee hearing. Interior and Reclamation officials testified on post-2026 operations. Mike Lee used the hearing to deliver his $354M threat; other Upper Basin senators echoed concerns about LB litigation posture.

• Navajo-Gallup supply project: $75.5M contract awarded to Flatland Energy Services LLC for Block 2–3 pipeline HDD construction. Separate from crisis negotiations but signals continued infrastructure investment.

💧 Reservoir Ops & Hydrology

• Lake Powell: ~3,527 ft (early June). Year-end projection (most probable): 3,504 ft. Inflow forecast at just 29% of historical average — one of the lowest on record. Risk of dropping below 3,490 ft minimum power pool by August 2026 is live without significant intervention.

• Lake Mead: ~1,048 ft (early June). Year-end projection: 1,037 ft under most probable scenario.

• System total: ~20,075 KAF (34% of capacity), vs. 23,441 KAF (40%) a year ago — down ~3,366 KAF year-over-year.

• Flaming Gorge: Emergency releases (600K–1M AF, Apr 2026–Apr 2027 per Burgum's April 17 plan) are ongoing. KUNC reported June 14 that the drawdown is "devastating" the local recreation economy in the Green River corridor — boats aground, marinas stranded, businesses closing seasonal operations early.

• Snowpack: Peaked a month early, runoff largely complete in most basins. No relief in near-term inflow forecast.

⚖️ Policy, Legal & Post-2026 Negotiations

Framework: Reclamation's June 5 announcement effectively starts a federal-imposed 10-year clock. The Oct. 1, 2026 deadline for a Record of Decision remains firm.

Legal posture:

• No new lawsuit has been filed as of today. Arizona retains Sullivan & Cromwell; its $3M legal defense fund (+ Hobbs's proposed $1M) remains in place.

• Sen. Lee's funding threat is the most concrete new escalation signal. The $354M in IRA drought funds revert to Treasury on Sept. 30 — meaning the window to obligate them is the same as the negotiating window.

• Legal analysts cited in reporting flagged a possible SCOTUS original jurisdiction argument as early as October 2026 if litigation is filed and moves quickly. No docket entry confirmed.

• UCRC's call for mediation (May) has not produced a new mediator or process as of this brief.

Meeting posture: No governor-level face-to-face meetings reported since the April 17 Las Vegas summit. The June 10 Senate hearing was Congressional, not executive. Negotiations appear to be running through Reclamation's formal NEPA/EIS track, not a commissioner-level bilateral process.

🌾 Lower Basin / Imperial Valley Specific

• IID conservation: The 100K AF expanded agreement approved May 15 remains the latest IID action. No new IID board announcements found for the June 3 meeting.

• Salton Sea: No new state or federal funding announcements this week. Sea inflows continue to decline as conservation measures ramp up — the structural tension between conservation mandates and Salton Sea mitigation obligations remains unresolved in the post-2026 DEIS scope (as flagged in CRB's March 2 comment letter).

• MWD/SDCWA: Both are signatories to the June 8 desalination MOU. No separate Lower Basin actions this week.

• Tribal: No new 30-tribe coalition announcements. The LB May 1 proposal's "first tribal pool in Lake Mead" provision remains on the table but unresolved.

📹 Latest Local Meetings *(via munigraph.ai)*

• IID Board of Directors — June 3, 2026 (next meeting: June 17)

• Imperial County Board of Supervisors — June 2, 2026 (next meeting: June 16 — data center moratorium resolution expected)

📈 Significance for Imperial Valley

The Mike Lee/$354M IRA threat is the most direct near-term pressure point for Imperial Valley: those funds underwrite the voluntary conservation at the core of the LB bridge proposal, and if obligated before Sept. 30, they provide compensation for growers and agencies (including IID) who conserve. A lawsuit threat from Arizona or California could freeze that money — hurting IID's compensation stream before the post-2026 framework is even settled. Meanwhile, Powell approaching minimum power pool in August would trigger curtailment and operational uncertainty at Glen Canyon Dam, with cascading effects on Mead and LB deliveries heading into the critical fall negotiation period. Watch June 16's Imperial County BOS meeting for any local data center land-use resolution, which has implications for IID's power load and groundwater baseline.

📰 Further Reading

The big picture

• Legis1: Colorado River Basin 2026 Crisis — Senate Deadlock — Comprehensive roundup of the stalled multi-state process and federal intervention dynamics; good single read for the overall state of play.

• Inside Climate News: Colorado River Faces 'Devastating Consequences' — Expert warnings on what another dry winter would mean; good for non-specialist framing.

Negotiations & policy

• Circle of Blue — Federal Water Tap, June 8, 2026 — Primary source roundup of the week's federal water actions; covers the desalination MOU and Reclamation framework.

• Voice of San Diego: Colorado River Deal Is a 'QSA 2.0' — Best read on why the desalination MOU echoes the 2003 Quantification Settlement Agreement dynamic; essential Imperial Valley context.

• USBR: CR Post-2026 Operations Hub — Primary source for the DEIS, alternatives, and record of decision timeline.

Legal

• Cronkite News: Utah senator warns Arizona, other downstream states, they'll forfeit $354M — Primary report on Lee's funding threat; includes IRA context and Sept. 30 expiration deadline.

• KUER: Mike Lee warns Lower Colorado River states that a water lawsuit will cost them — Utah News Dispatch companion piece; Upper Basin perspective.

• Arizona Mirror: Arizona hires high-powered law firm — Background on Arizona's Sullivan & Cromwell retention; useful for legal posture tracking.

Infrastructure

• 8NewsNow: Moving water 'on paper' at heart of new 3-state agreement — Clearest explanation of how the desalination MOU's "paper water" swap mechanism would work.

Imperial Valley & IID

• iNews Source: Imperial County considers data center moratorium — BOS discussion deferred to June 16; relevant to IID power load and county land-use planning.

• IID: Post-2026 Colorado River Operations Must Comply with the Law of the River — IID's formal DEIS comment position; anchor document for IID's legal framing.

Hydrology

• KUNC: Flaming Gorge drawdown hits local recreation economy — Published June 14; most recent on the operational and community cost of emergency releases.

• USBR: Glen Canyon Dam real-time water operations — Standing tracker for Powell elevation and Glen Canyon operations.

• USBR: Lower Colorado Weekly Hydrologic Update (June 1) — Latest weekly PDF; Mead operations and LB delivery data.

🎲 One More Thing

Colorado River trivia: The 1922 Colorado River Compact was negotiated using flow records from just 17 years of gauge data — years that happened to be among the wettest in the past five centuries, according to paleoclimate reconstructions from tree rings. The states divided up roughly 16.4 MAF per year at a time when the river's long-run average is now understood to be closer to 13–14 MAF. That structural over-allocation is the original sin behind every shortage tier, Compact delivery dispute, and legal threat playing out today.

Imperial Valley trivia: Before the All-American Canal opened in 1940, Imperial Valley farmers relied on the Alamo Canal — a route that crossed into Mexico through the Mexicali Valley before looping back into California. This meant that during disputes or droughts, Mexico could (and sometimes did) interrupt water delivery to American farms. The explicit goal of the All-American Canal was to route the water entirely through U.S. territory, eliminating that vulnerability. The canal's construction displaced hundreds of Mexican workers and families living along the old right-of-way — a history rarely mentioned in the triumphant "irrigation transforms the desert" narratives of the era.

760Times is powered by [MyRiver.us](https://myriver.us) — Colorado River intelligence for the Lower Basin.MyRiver.us — Colorado River intelligence for the Lower Basin.*

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most Important

Lake Powell is now only ~38 feet above minimum power pool (3,490 ft) as of June 12 — close enough that hydropower loss at Glen Canyon Dam is a live operational risk, not a forecast scenario. Flaming Gorge releases are ongoing but the gap is narrowing.

🏛️ Federal / Interior / Reclamation

• June 5: After states missed yet another consensus deadline, Reclamation announced it will proceed unilaterally with a 10-year framework requiring renegotiation every two years. The previous target of May/June for a finalized plan has slipped to "mid to late summer" 2026.

• June 8: Reclamation signed a Memorandum of Understanding with SDCWA, MWD, SNWA, Arizona DWR, CAWCD, and Salt River Project to explore interstate exchanges of desalinated and purified water — the first such mechanism in the seven-state basin. Signed at the Carlsbad desalination plant; does not alter existing water rights but lays groundwork.

• June 10: Senate Energy & Natural Resources Committee held an oversight hearing on post-2026 Colorado River operations. Interior and Reclamation testified on the first panel. Utah's Colorado River Authority Executive Director Amy Haas: "the window to solve this without lawyers, judges, and generational damage to basin relationships is shrinking faster than Lake Powell."

• June 10: $75.5M contract awarded for Navajo-Gallup Water Supply Project (HDD pipeline components) — significant tribal infrastructure investment running in parallel to the main negotiations.

💧 Reservoir Ops & Hydrology

• Lake Powell: ~3,528 ft as of mid-June (~22–23% full); only ~38 ft above minimum power pool (3,490 ft). Inflow this year is 13% of normal — lowest recorded. Risk of dropping below power pool by August 2026 remains active.

• Lake Mead: ~1,048 ft as of June 1 (below 1,050 ft; ~30% full).

• Flaming Gorge: ~6,017.5 ft (77% capacity) as of June 3; releases of 660K–1M AF through April 2027 are underway per the Burgum April emergency plan. Reservoir is already several feet below seasonal norms; local businesses are feeling strain.

• Snowpack/runoff: Persistent hot drought; record-low runoff into Powell system. No revised forecast issued this week.

⚖️ Policy, Legal, Post-2026 Negotiations

• Reclamation's self-imposed October 1, 2026 deadline for final operating guidelines is now the hard backstop. The "mid to late summer" target for formalizing a framework gives states roughly 6–10 weeks.

• Legal escalation signal: Legal analysts have flagged a possible SCOTUS original jurisdiction filing as early as October 2026 if federal framework imposes cuts without state consensus. No active filing confirmed this week.

• KTS Law published an April 2026 alert on "Colorado River Developments and Potential Compact Litigation" — signals outside counsel across the basin is mobilizing, consistent with AZ's $3M Sullivan & Cromwell retainer.

• Desalination MOU (June 4/8): Voice of San Diego called it a "QSA 2.0" — shorthand for a deal that restructures water accounting between CA and other states in ways that could eventually affect IID's senior rights calculus.

• No new governor-level joint statements, no new UCRC public statements, no new SCOTUS docket activity confirmed this week. Meeting posture remains at commissioner level.

Legal posture: No new public filings. The litigation window is open but no trigger event this week.

Meeting posture: Commissioner-level only. No governor travel or joint statements observed.

🌾 Lower Basin / Imperial Valley Specific

• No new IID press releases this week. IID's most recent public posture (March 2026): post-2026 operations "must comply with the Law of the River," preserving IID's 1901 priority date and Present Perfected Rights.

• The 3-state desalination MOU includes MWD and SDCWA but not IID — worth watching whether IID issues a statement about being excluded from a framework that could reshape Lower Basin water accounting.

• Salton Sea: No new developments reported this week. Agricultural return flows from Imperial Valley remain the Sea's primary inflow; any IID conservation increase tightens that supply.

• IID's May 15 expanded conservation agreement (up to 100K AF additional 2026 savings) remains the current operative commitment.

📈 Significance for Imperial Valley

Powell's 38-foot margin above power pool is the most operationally urgent number in the basin right now — if it fails, Reclamation loses its primary operational lever and political pressure for emergency federal action (and litigation) accelerates sharply. The 3-state desalination MOU, while non-binding, is a structural precedent: it creates a framework where MWD and SNWA can source water outside the river system and potentially relinquish Colorado River entitlements — which shifts the supply/demand math in ways that could reduce pressure on IID's senior rights or create new arguments for reallocation. IID's absence from the MOU is either deliberate or an oversight worth probing.

📰 Further Reading

The big picture

• Boing Boing: Lake Powell is approaching the line where Glen Canyon Dam stops making power — Best single-sentence framing of the power pool risk: "Dead pool gets the scary name, but Power Pool is where the bill comes due." Published June 12.

• KUER: The new target for a Colorado River plan is 'mid to late summer' — Primary source on Reclamation's revised timeline after states missed May/June window.

Negotiations & policy

• Circle of Blue: Federal Water Tap, June 8, 2026 — Covers the desalination MOU signing and other federal water actions that week.

• Senate ENR Committee: Hearing to Conduct Oversight of the Colorado River Basin — Primary source for June 10 hearing record and witness testimony.

• Western Water: Colorado River at 34%: Senate demands a deal — Good read on congressional pressure following the hearing.

Legal

• KTS Law: Colorado River Developments and Potential Compact Litigation — Outside counsel alert (April 2026) on litigation posture; useful for tracking what the legal community is watching.

• Voice of San Diego: Colorado River Deal Is a 'QSA 2.0' — San Diego perspective on the desalination MOU; good on the historical QSA analogy and what it could mean for IID's position.

Infrastructure & federal money

• Salt Lake Tribune / Fox5: Arizona and Nevada agree to trade Colorado River rights for desalinated Pacific Ocean water — Covers the 3-state MOU from AZ/NV angle; useful counterpart to the SDCWA/MWD California angle.

Imperial Valley & IID

• IID: Post-2026 Colorado River Operations Must Comply with the Law of the River — IID's formal legal posture statement; essential background on Present Perfected Rights argument.

Hydrology

• USBR: Lower Colorado Weekly Hydrologic Update (June 1, 2026) — Primary source for Mead elevation and lower basin operational data.

• USBR: May 2026 24-Month Study — Most recent probabilistic modeling of Powell/Mead trajectories through 2027.

• Lake Powell Water Level Today — Real-time tracker updated daily from USBR data.

🎲 One More Thing

Colorado River trivia: The 1922 Colorado River Compact divided the river at Lee Ferry, Arizona — a spot so remote it was chosen partly because it was the only point where both basins could agree surveyors could actually reach. Lee Ferry sits at the mouth of the Paria River, and to this day all Compact math — the "10 million acre-feet" obligation that Upper Basin states must deliver to the Lower Basin — is measured at a single stream gauge there. Everything turns on one gauge in a canyon.

Imperial Valley / IID trivia: Imperial Valley's agricultural dominance traces to a near-accident of geography: when the Imperial Canal (opened 1901) silted up, engineers rerouted water through Mexico via the Alamo Canal. When the 1905 Colorado River break flooded into the Salton Sink for nearly two years, most of the water entered via that same Mexican intake. The All-American Canal (completed 1940) was built specifically so Imperial Valley would never again depend on water flowing through another country's territory — a lesson in water sovereignty that still shapes how IID thinks about its rights.

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

Sen. Mike Lee (UT) issued an explicit $354M funding threat against Lower Basin states this week: any state that files suit over Colorado River operations will forfeit its share of unspent federal conservation aid under the 2022 Inflation Reduction Act — funds that expire September 30. This is the sharpest congressional salvo yet and materially raises the cost of AZ/LB litigation strategy.

🏛️ Federal / Interior / Reclamation

• Post-2026 timeline slips to "mid to late summer." Acting Reclamation Commissioner Scott Cameron confirmed June 5 that the agency no longer expects to finalize a post-2026 framework in May–June as previously announced. The new target is mid-to-late summer 2026. The Bureau is proceeding with its own 10-year framework that would require renegotiation every two years — a significant reduction in planning horizon vs. the 2007 Interim Guidelines' 20-year structure.

• Senate Energy & Natural Resources Committee hearing, June 10. Chairman Lee convened an oversight hearing on post-2026 negotiations. The session was partially consumed by committee process disputes (Forest Service Roadless Rule, firefighter benefits), but key testimony landed on the public record: a federal official stated the government will "make the decision" if states cannot converge. Amy Haas (CO River Authority of Utah): "The window to solve this without lawyers, judges, and generational damage to basin relationships is shrinking faster than Lake Powell."

• Desalination / water-exchange MOU, June 3. Reclamation and six water agencies (MWD, SDCWA, SNWA, ADWR, CAWCD, Salt River Project) signed a nonbinding MOU at the Carlsbad Desalination Plant to evaluate interstate movement of desalinated seawater and recycled water via "paper exchanges" on existing infrastructure. No new pipelines, no committed projects, no water rights changes — but the framework could eventually supply credit into Lake Mead and reduce Colorado River draws. The Desert Review flagged concern about implications for Imperial Valley agriculture.

• Navajo-Gallup Water Supply contract, June 10. Reclamation awarded a $75.5M contract for Block 2-3 pipeline directional drilling in northwest New Mexico — unrelated to shortage negotiations but tribal water delivery progress.

💧 Reservoir Ops & Hydrology

• Lake Powell: ~3,527 ft as of June 9–10 (~25% capacity). Approaching critical thresholds; minimum power pool is 3,490 ft. Weather.com and Lake Powell Chronicle flagged "critical threshold" risk in recent days. Powell inflow remains well below normal — consistent with the 13%-of-normal inflow forecast from late May.

• Lake Mead: ~1,048 ft (~35% capacity). Slipped below 1,050 ft last week. Down from ~1,055 ft at late May. Tier 1 shortage (AZ −512 KAF) in effect for 2026.

• No new 24-Month Study since May 15; next study expected mid-June.

⚖️ Policy, Legal, Post-2026 Negotiations

• Mike Lee $354M ultimatum (June 11). Lee warned AZ, CA, NV, and other LB states they will forfeit access to unspent IRA conservation funds if they sue. This is a direct counter-pressure to Arizona's Sullivan & Cromwell retention and LB legal fund accumulation. Lee characterized negotiators as "preparing actively for litigation." Funds expire Sept. 30 — a hard deadline that now intersects with the legal posture decision.

• SCOTUS scenario timeline hardening. Multiple analysts now cite a possible Supreme Court original jurisdiction argument as early as October 2026 if negotiations fail and litigation is filed by late summer.

• Upper Basin calling for mediation. UCRC previously characterized the LB 3.2 MAF bridge proposal as "insufficient" and called for mediation (May 2026). No public update on mediation status this week.

• Legal posture: Arizona holds Sullivan & Cromwell and a $3M+ legal defense fund. Lee's threat is a direct counter-move. No new court filings, DOJ involvement, or additional counsel retentions confirmed in public reporting this week.

• Meeting posture & escalation: This week's action was at the Senate committee level (Lee), not governor-level. No joint governor statements or face-to-face governor meetings reported. LB–UB dynamic is now being managed partly through congressional leverage rather than purely executive/agency channels — an escalation of venue.

🌾 Lower Basin / Imperial Valley Specific

• IID / Salton Sea Authority split takes effect June 30. IID's formal departure from the Salton Sea Authority is imminent. IID is transitioning to California's new Salton Sea Conservancy. The SSA has adopted a new strategic plan and reshuffled leadership in advance of the departure. This restructuring could affect coordination on Salton Sea restoration funding and the ~$250M in federal funds tied to conservation performance.

• Desalination MOU / Imperial Valley ag concerns. The Desert Review raised questions about whether the interstate desalination exchange framework could eventually shift water management in ways that disadvantage Imperial Valley agriculture — no specific threat yet, but worth monitoring in post-2026 context.

• IID conservation: The 100K AF additional 2026 savings agreement (approved May 15) remains in effect. No new announcements this week.

📈 Significance for Imperial Valley

The Lee $354M funding threat is the week's most consequential development for Imperial Valley. If LB states (including California) pursue litigation, they may forfeit federal conservation program funding that IID and other agencies depend on — a direct cost to the valley's conservation-for-payment economics. Simultaneously, the IID–Salton Sea Authority split on June 30 lands in a moment of maximum uncertainty about who controls Salton Sea restoration coordination and federal funding access. The desalination MOU, while nonbinding, signals that MWD/SDCWA/SNWA are positioning for a post-2026 world in which new supply sources offset Colorado River reductions — a strategy that may reduce political pressure to protect IID's senior rights but also shifts long-term system dynamics.

📰 Further Reading

The big picture

• KUER: The new target for a Colorado River plan is 'mid to late summer' — Primary source on the slipped federal timeline; best single read on where Reclamation stands.

• High Country News: Emergency plans for the Colorado River buy time, not solutions — Skeptical take on stopgap measures; useful framing for the deeper structural impasse.

Negotiations & policy

• Senate Energy Committee: June 10 Hearing page — Primary source; links to witness testimony.

• Western Water: Colorado River at 34%: Senate demands a deal (June 12) — Good recap of the hearing and its aftermath.

• KJZZ: There's a new plan for managing the Colorado River — Explainer on the LB 3.2 MAF bridge proposal and federal two-year review framework.

Legal

• Cronkite News / Utah News Dispatch: Mike Lee warns downstream states they'll forfeit $354M (June 11) — Primary source on the Lee ultimatum.

• KUER: Mike Lee warns Lower Colorado River states a lawsuit will cost them — Best single-read account with full context on the $354M and Sept. 30 expiration.

• Best Lawyers: Colorado Water Rights 2026: A New Era of Conflict Begins — Legal analysis of SCOTUS original jurisdiction pathway; good background on litigation mechanics.

Infrastructure & federal money

• Times of San Diego: Agencies in 3 states sign MOU to share water (June 3) — Clearest account of the desalination/exchange MOU and its nonbinding nature.

• The Desert Review: New Colorado River water exchange framework — questions for Imperial Valley agriculture — Local perspective on the MOU's potential downstream effects on IV ag.

Imperial Valley & IID

• KESQ: IID transitions from Salton Sea Authority to state's Salton Sea Conservancy — Background on the IID–SSA split, context for the June 30 effective date.

• Desert Review: Salton Sea Authority director statement on IID board decision — SSA director's view on the split; useful for tracking restoration coordination risks.

Hydrology

• Weather.com: Lake Powell inches toward critical threshold (June 9) — Best recent summary of Powell's proximity to minimum power pool.

• Lake Powell real-time data — Live elevation tracker.

• Reclamation Lower Colorado Weekly Hydrologic Update (June 1) — Primary hydrology source; next update expected this week.

🎲 One More Thing

Colorado River trivia: The 1922 Colorado River Compact was negotiated partly on faulty hydrology. The decade 1905–1920 happened to be among the wettest on record for the basin, leading negotiators to assume an average annual flow of about 17.5 million acre-feet. The river's long-term average is closer to 13–15 MAF — meaning the Compact over-allocated the river by millions of acre-feet from the day it was signed. That original math error is part of why the legal architecture of the Compact cannot be reconciled with physical reality without cutting someone's allocation.

Imperial Valley / IID trivia: The ancient Lake Cahuilla — the massive freshwater lake that periodically filled the Salton Trough before the Colorado River shifted course — reached depths of up to 300 feet and covered some 2,000 square miles when full. The Quechan and Kumeyaay peoples lived along its shores and harvested its fish for centuries. Its last major fill was around 1700 CE, just decades before Spanish missionaries arrived in the region. Today the Salton Sea occupies a tiny fraction of that ancient lakebed at roughly 35 feet below sea level — a miniature, shrinking echo of a vanished inland sea.

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most Important

Sen. Mike Lee threatens to strip $354M in IRA conservation funding if Lower Basin states sue Upper Basin states — a direct shot across the bow at Arizona, California, and Nevada as the post-2026 deadline hardens. This is the most significant new escalation signal.

🏛️ Federal / Interior / Reclamation

- Senate Energy & Natural Resources hearing, June 10 — Full oversight hearing on Colorado River Basin / post-2026 negotiations. Panel 1 witnesses: Andrea Travnicek (Asst. Secretary for Water & Science) and David Palumbo (Deputy Commissioner, Reclamation). Panel 2: William Hasencamp (MWD), Amy Haas (CRAUT), Tom Kiernan (American Rivers), Mike Vickrey (ranching interests, WY). Travnicek fielded pressure from both basins without committing to either.

- Reclamation's unilateral 10-year framework confirmed, June 5 — Following states' failure to reach consensus, Interior confirmed it will proceed with its own federally imposed 10-year framework requiring renegotiation every two years. Updated plan expected mid-July; final guidelines August; effective Oct. 1, 2026.

- Desalination/interstate water swap MOU signed, June 8 (Circle of Blue) — Reclamation signed an MOU with MWD, SDCWA, SNWA, Arizona DWR, and Central Arizona Project (CAP/CAWCD) at the Carlsbad desalination plant to explore interstate water exchange pilots. First formal framework that could let Carlsbad-sourced water offset Colorado River obligations across state lines.

- $75.5M contract for Navajo-Gallup Water Supply Project, June 10 — Flatland Energy Services LLC awarded for HDD pipeline components in NW New Mexico. Routine infrastructure but signals ongoing federal investment in tribal water delivery.

💧 Reservoir Ops & Hydrology

• Lake Powell: ~3,527 ft as of early June (was ~3,528 late May). Minimum power pool floor = 3,490 ft. Margin has narrowed to ~37 ft with summer drawdown ahead. Weather.com flagged June 9 that Powell is "inching toward critical threshold."

• Lake Mead: ~1,048–1,055 ft range reported this week (data variance across sources). Dead pool = 895 ft.

• Flaming Gorge releases ongoing at 660K–1M AF through April 2027 per April Burgum emergency order.

• Inflow: Snowpack/runoff remains well below normal. No forecast revision found since May 15 24-Month Study (13% of normal inflow to Powell). No new 24-Month Study released yet (next expected ~June 15).

⚖️ Policy, Legal, Post-2026 Negotiations

- Mike Lee / Senate threat (June 10–11) — At the hearing and in follow-up statements, Lee said states that sue "fellow basin states" should not expect Congress to fund them. The $354M in IRA conservation payments — central to the LB's May 1 bridge proposal — expires Sept. 30 if unspent. Lee's threat puts IRA funds and the voluntary conservation component of the LB plan at legal/political risk simultaneously. Lee is Senate Energy chair, so this is not empty signaling.

- Arizona stalemate deepens — Cronkite reported June 9 that AZ faces up to 77% cuts under the most aggressive Reclamation alternative. Sullivan & Cromwell retained, $3M+ legal fund in place. Arizona has not withdrawn the litigation posture despite Lee's warning.

- Legal posture: No new court filings identified today. Lee's threat is a congressional pressure tool, not a DOJ or SCOTUS action. Situation remains pre-litigation but the threat environment is elevated.

- Meeting posture & escalation: The June 10 hearing was commissioner/agency level (Hasencamp for MWD, Travnicek for Interior). No governor-level travel or joint statements surfaced. SCOTUS docket quiet. Escalation is at the congressional pressure / federal unilateral action stage — not yet at governor or judicial front.

- Post-2026 FEIS: Reclamation's preferred alternative has not been released. Target is mid-July for updated plan.

🌾 Lower Basin / Imperial Valley Specific

- IID: No new press release from IID dated June 2026 found in today's search. Most recent public position (March 2026): formal DEIS comments asserting post-2026 plan must comply with Law of the River and flagging inadequate geographic scope analysis for Imperial/Coachella/Salton Sea impacts. IID's expanded conservation agreement (up to 100K AF additional, approved May 15) remains the operative posture.

- Desalination MOU includes SDCWA — San Diego County Water Authority is a signatory to the June 8 interstate exchange MOU. This potentially creates a pathway to credit Carlsbad desal output against Colorado River entitlements, which is significant for California's overall allocation math.

- Salton Sea: No new state or federal Salton Sea-specific announcement today. The ~$250M federal restoration package tied to IID conservation milestones remains in play pending post-2026 framework resolution.

📈 Significance for Imperial Valley

Lee's $354M funding threat is the sharpest near-term risk for the Lower Basin's negotiating position. The LB bridge plan depends on voluntary conservation paid for by IRA dollars — if those funds lapse Sept. 30, the voluntary-vs-mandatory balance in any federal plan shifts toward mandatory cuts, which falls heaviest on Arizona but creates leverage dynamics that could reach California water users. For IID specifically: Reclamation proceeding unilaterally without LB consensus increases the probability that a federal plan will be written without full Salton Sea / geographic scope analysis — the precise concern in CRB's March DEIS comment. The IID-CRB legal theory (scope exclusion = vulnerability) is now more relevant, not less.

📰 Further Reading

The Big Picture

• Cronkite News: Arizona faces 77% cut as states remain deadlocked — Best single overview of where negotiations stand entering the final stretch; good for non-specialists.

• KUER: New target for a Colorado River plan is 'mid to late summer' — Covers Reclamation's announcement of the unilateral 10-year framework; key primary-source framing.

Negotiations & Policy

• Senate Energy Committee: June 10 Oversight Hearing — Official record; full witness list and any posted testimony.

• Legis1: Colorado River Basin Senate Hearing June 10 — Good hearing summary with context.

Legal

• KUER: Mike Lee warns Lower Basin lawsuit will cost them — Best single read on the $354M threat; includes Lee's direct quotes.

• Cronkite News: Utah senator warns AZ will forfeit $354M — Arizona-focused angle; explains the IRA expiration mechanics.

• Maven's Notebook roundup — Aggregates both the stalemate piece and Lee's threat; useful if you want one stop.

Infrastructure & Federal Money

• Circle of Blue: Federal Water Tap, June 8 — Reclamation signs desalination MOU — Primary-source coverage of the interstate water swap MOU; explains the Carlsbad mechanism.

• SDCWA: Southwest Water Leaders Sign MOU — SDCWA's own press release; primary source.

Imperial Valley & IID

• IID: Affirms Leadership and Preparedness as Federal Process Continues — Most recent IID statement on its post-2026 posture.

• Desert Review: California water officials urge stronger legal review in post-2026 plan — CRB/IID legal scope argument covered locally; Imperial Valley perspective.

Hydrology

• Weather.com: Lake Powell inches toward critical threshold — June 9 update; clearest current-conditions read.

• USBR Glen Canyon Dam operations page — Real-time elevation tracker; bookmark.

• USBR Lower Colorado Weekly Hydrologic Update: June 1 — Most recent weekly; check for June 8 update when it posts.

🎲 One More Thing

Colorado River trivia: The Colorado River Compact of 1922 was negotiated partly on the basis of flow data from 1899–1921 — an unusually wet period. Hydrologists later determined that the 16.4 MAF average used to divide the river was roughly 1.5–2 MAF higher than the river's long-run mean. The negotiators essentially divided water that didn't reliably exist, embedding a structural deficit that every subsequent guideline has tried to manage around.

Imperial Valley trivia: Before the All-American Canal was completed in 1942, the Imperial Valley's water arrived via a canal that dipped into Mexico for about 50 miles — meaning California's most productive agricultural district depended on water flowing through a foreign country. The "All-American" name was explicitly chosen to celebrate the new route staying entirely within U.S. territory, a priority that had taken decades of engineering and diplomacy to achieve.

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most Important

Senate Energy Committee held a high-visibility oversight hearing on Colorado River Basin negotiations (June 10), the first direct congressional intervention in a process that has run largely at the agency/state level — arriving six days after Reclamation announced it will impose its own 10-year framework absent state consensus.

🏛️ Federal / Interior / Reclamation

• Reclamation framework posture (June 5, new since last context): Acting Commissioner Scott Cameron confirmed Reclamation will move forward with its own 10-year operational framework — with mandatory 2-year renegotiation windows — after states failed to reach consensus by the May deadline. Target for finalization is "mid to late summer 2026."

• Desalination MOU signed (June 3–8): Reclamation and six water agencies (MWD, SDCWA, SNWA, Arizona Dept. of Water Resources, Central Arizona Water Conservation District, Salt River Project) signed an MOU at the Carlsbad Desalination Plant to explore interstate water swaps using desalinated or recycled water. The mechanism is paper-based: SDCWA takes more desalinated water, leaving its Colorado River allocation available for inland agencies like CAP to claim. No new supply is created; no new infrastructure required. First formal multi-state framework for supply augmentation through desal.

• Senate hearing (June 10): Senate Energy & Natural Resources Committee, chaired by Sen. Mike Lee (R-UT), held "An Oversight Hearing to Examine the Colorado River Basin, Including Post-2026 Operations Negotiations." No transcript or witness list publicly available as of this writing. This is escalation — congressional oversight can accelerate Reclamation timelines, shift agency posture, or lay groundwork for legislative intervention. IRA water funds ($4B drought relief) are reportedly in the rescission crosshairs; members' positions on preservation vs. redirection are a key watch item from the hearing.

💧 Reservoir Ops & Hydrology

• Lake Mead: Dropped below 1,050 ft this week — 1,049.25 ft as of June 9. This breaches a key operational threshold under the 2007 guidelines. The July 2022 record low (1,040.50 ft) is now expected to be broken by late summer/fall. Most probable projection: ~1,037 ft by December 2026; ~1,020 ft by July 2027 — roughly 20 ft below the 2022 record.

• Lake Powell: Approximately 3,527 ft (~23% full). Most probable projection: ~3,504 ft by December 2026. The 3,490 ft minimum power pool threshold remains a risk target for August 2026 given 13%-of-normal inflow forecasts.

• Both reservoirs trending toward simultaneous record lows — a condition the system has not experienced since the 2007 guidelines were written.

⚖️ Policy, Legal & Post-2026 Negotiations

• FEIS timeline: Reclamation is targeting mid-to-late summer for the Final EIS / Record of Decision. The 45-day DEIS comment period closed March 2, 2026; CRB's anchor comment (signed JB Hamby) and IID's DEIS comments (filed March 5) are both in the administrative record.

• IID legal posture (most recent, March 5): IID emphasized that any FEIS alternative must comply with the Law of the River — the 1922 Compact, Boulder Canyon Project Act, QSA, and Supreme Court decrees. IID specifically objected to alternatives that protect Powell elevations at the expense of legally required downstream releases, and called for the FEIS to analyze Salton Sea and Imperial Valley impacts. Director Cardenas: "The law is the law, whether someone agrees with it or not."

• No new litigation filings or counsel retentions identified today. Arizona's Sullivan & Cromwell retainer and $3M–$4M legal defense fund remain the known legal war-chest. No new SCOTUS docket activity found.

• Meeting posture: June 10 Senate hearing was the week's principal coordination event. No governor-level face-to-face meetings or joint statements identified this week. Congressional engagement at Chair/Ranking level is a meaningful step up from commissioner-only process.

• UCRC / Upper Basin: No new statements identified since the May 2026 call for mediation.

🌾 Lower Basin / Imperial Valley Specific

• IID: No new press release since March 5 DEIS comments. IID's position remains: law of the river compliance, protection of its 1901 PPRs and 3.1 MAF entitlement, full Salton Sea NEPA analysis required, and support for a negotiated basin solution while fully prepared for litigation outcomes.

• Desalination MOU: MWD and SDCWA are both signatories — this is a California-internal alignment signal for supply augmentation outside the direct IID/agricultural portfolio. IID is not a signatory; the MOU addresses M&I water, not ag. Worth watching whether this changes California's negotiating posture on ag-to-urban transfers.

• Salton Sea: No new federal or state action identified today. IID's DEIS comments remain the most recent formal advocacy for Salton Sea inclusion in the FEIS scope.

• Nevada: SNWA issued a public statement on readiness for water cuts, citing decades of aggressive conservation (already below Colorado River allocation due to Return Flow Credit system). Nevada's co-signing of the desalination MOU reinforces its supply-diversification strategy.

📈 Significance for Imperial Valley

The Reclamation framework announcement (June 5) and the Senate hearing (June 10) together represent a structural shift: the post-2026 process is now a federal action being shaped as much in Washington as at the commissioner level. For IID, this is both risk and opportunity — the IID/CRB DEIS comment record is the legal foundation for any challenge to a FEIS that shortchanges Lower Basin priority rights or excludes Salton Sea analysis. Mead crossing 1,050 ft this week is not just a number; under the current guidelines, it deepens Arizona's Tier 1 shortage and begins to pressure the threshold for California cuts (Tier 2 triggers around 1,025 ft). The pace of Mead's decline — 20-foot projected drop through summer — makes mid-tier shortage in 2027 increasingly likely regardless of what the FEIS says.

📰 Further Reading

The big picture

• KUER: The new target for a Colorado River plan is 'mid to late summer' — Best single read on Reclamation's June 5 announcement; quotes Acting Commissioner Cameron directly.

• Sierra Club: Can the Colorado River Survive 2026? — Long-form overview of basin-wide pressures; good non-specialist context.

Negotiations & policy

• Legis1: Senate Hearing June 10 — Pre-hearing brief with the best available political analysis of committee dynamics; IRA fund rescission angle.

• Senate Energy Committee: Hearing Page — Primary source; check for post-hearing transcript and witness testimony.

Infrastructure & federal money

• Circle of Blue: Federal Water Tap, June 8 — Reclamation Signs Desalination MOU — Most complete account of the six-agency desalination MOU and how paper-swaps would work.

• Times of San Diego: Agencies in 3 States Sign MOU — Signing ceremony at Carlsbad plant; California angle.

Imperial Valley & IID

• IID: Post-2026 Colorado River Operations Must Comply with the Law of the River — Primary source; IID's formal DEIS comments (March 5, 2026). The legal argument record for FEIS challenge.

Hydrology

• Weather.com: Lake Powell Inches Toward Critical Threshold — Updated June 9; best current summary of Powell trajectory.

• 8 News Now: Lake Mead drops, here's why it could drop 20 more feet — Explains the outflow/inflow dynamics driving Mead's projected 2027 record lows.

• USBR: Lower Colorado Weekly Hydrologic Update (June 1, 2026) — Primary source; raw USBR data on both reservoirs.

• USBR: Glen Canyon Dam Real-Time Elevations — Live Powell tracker.

• USBR: Lake Mead Real-Time Elevations — Live Mead tracker.

🎲 One More Thing

Colorado River trivia: The "Law of the River" isn't a single document — it's a layered stack of at least a dozen instruments: the 1922 Compact, the 1928 Boulder Canyon Project Act, the 1944 US-Mexico Treaty, the 1948 Upper Colorado River Basin Compact, the 1963 Supreme Court decree in Arizona v. California, the 1968 Colorado River Basin Project Act, the 1973 Minute 242, and the 2007 Interim Guidelines, among others. No single agency has ever produced a complete, authoritative codification. What practitioners call "the Law of the River" is a legal inference from reading all of them together — which is precisely why IID's argument that certain DEIS alternatives violate it is both powerful and genuinely contested.

Imperial Valley / IID trivia: Before the All-American Canal was completed in 1940, the Imperial Valley depended on a canal that ran through Mexico — the Imperial Canal, built in 1901 by the California Development Company. The company's sloppy engineering and an 1905 decision to cut a shortcut intake without a proper headgate sent the entire Colorado River flooding northward into the Salton Sink for nearly two years, creating the modern Salton Sea. The disaster bankrupted the California Development Company and convinced Congress that a canal wholly within U.S. territory was a national security necessity. IID, which had acquired the canal system in 1911 after the company's collapse, lobbied for decades for the All-American Canal to eliminate that Mexican dependency — and the federal government ultimately paid for it.

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most important

The Senate Energy & Natural Resources Committee holds an oversight hearing on the Colorado River basin and post-2026 operations tomorrow, June 10, 10:00 AM EDT (Dirksen 366), chaired by Sen. Mike Lee (R-UT), ranking member Sen. Martin Heinrich (D-NM). Interior and Reclamation testify on panel one; state agencies, environmental, and ranching groups on panel two. It lands days after Reclamation signaled it will impose its own federal management framework, and with the seven states still at impasse.

🏛️ Federal / Interior / Reclamation

Reclamation's acting commissioner now puts completion of the post-2026 water-sharing plan at "mid to late summer" — a firmer, slightly later target than prior signaling, and an implicit acknowledgment the seven-state consensus track has failed twice.

On June 3, Reclamation signed an MOU at the Carlsbad Desalination Plant with six major agencies — SDCWA, MWD, SNWA, Arizona DWR, Central Arizona Water Conservation District, and Salt River Project — to study interstate "paper" exchanges of desalinated and recycled water for Colorado River supply. No new pipelines; a buyer in AZ or NV would pay for San Diego desal and take an equivalent share of river water. The agencies aim to decide within two years whether a pilot is viable. Voice of San Diego framed it as a potential "QSA 2.0."

💧 Reservoir ops & hydrology

Lake Mead sits at ~29.5% and Lake Powell at ~23.5% of capacity. Reclamation's May 24-Month Study (most-probable) projects Powell at ~3,504 ft and Mead at ~1,037 ft by Dec 31, 2026. Experts at the Boulder conference warned another dry winter would bring "devastating consequences," with deeper cuts likely if 2027 runoff disappoints.

⚖️ Policy, legal, post-2026 negotiations

At the Getches-Wilkinson Conference in Boulder (June 4–5), negotiators aired the standoff openly. Colorado's Becky Mitchell: "we've been called failures… all seven of us." Nevada's John Entsminger pitched "a reasonable, rational operating plan for the next two-plus years" to "keep us out of court until 2029"; Mitchell pushed back that a two-year cadence invites recurring conflict. Upper Basin (UT, WY, NM, CO) still has not tabled a voluntary-cut plan.

Meeting posture & escalation: This week's signal is a public conference airing of grievances plus a Congressional oversight hearing — escalation into the federal legislative arena, not yet governor-level travel or SCOTUS docket activity. No new counsel retentions or court filings surfaced in public reporting today.

🌾 Lower Basin / Imperial Valley specific

The Carlsbad desal MOU is the Lower Basin's most concrete new move — California urban agencies (SDCWA, MWD) building optionality that could ease pressure on river allocations. IID was not a signatory; the exchange is an urban-coastal supply play, not an ag-transfer.

📈 Significance for Imperial Valley

The negotiating impasse plus Reclamation's "mid-to-late summer" federal-framework timeline raises the odds that post-2026 rules get imposed rather than negotiated — exactly the scenario CRB's III(c)-enforcement legal theory is built to contest, and where IID's "lawful, durable, basinwide" posture matters most. The desal MOU is double-edged for Imperial: more LB urban supply flexibility is good for system stability, but a "QSA 2.0" framing is a reminder that any new California internal arrangement will be measured against IID's senior 1901 rights and the Salton Sea mitigation obligations. Tomorrow's Senate hearing is the venue to watch for whether federal patience with the states has run out.

📰 Further Reading

• The big picture*

• KUER: The new target for a Colorado River plan is 'mid to late summer' — Reclamation's own timeline, the cleanest read on where the federal process stands.

• AZ Luminaria: Colorado River faces "devastating consequences" if another dry winter lands — Best on the hydrologic downside risk going into 2027.

• Negotiations & policy*

• KUNC: 'We've been called failures': Colorado River negotiators address stalled talks — Direct quotes from Boulder; the candid temperature of the room.

• PBS NewsHour: Why Colorado River negotiations stalled and how they could restart — Good explainer for non-specialists on the UB/LB split.

• Infrastructure & federal money*

• Circle of Blue: Federal Water Tap — Reclamation signs desalinated water trades agreement — Primary-source roundup of the MOU and the week's federal actions.

• San Diego County Water Authority: Southwest Interstate Exchange MOU — The signatories' own framing; primary source.

• Imperial Valley & IID*

• Voice of San Diego: Colorado River Deal Is a 'QSA 2.0' — Why the desal MOU echoes the 2003 QSA, with the California-internal politics that touch IID.

• NPR: Why one of the cities most dependent on the Colorado River now has water for sale — San Diego's supply turnaround, the backdrop to the exchange idea.

• Hydrology (standing trackers)*

• USBR: Lake Powell 24-Month Study elevations (PDF) — Primary projection source for Powell.

• USBR: Lower Colorado most-probable 24-Month Study (PDF) — Primary projection source for Mead.

• Federal oversight*

• Senate Energy & Natural Resources: Hearings — Watch here for the June 10 post-2026 oversight hearing and witness testimony.

🎲 One More Thing

Colorado River trivia: The Colorado River once reliably reached the Sea of Cortez, but since the 1960s it has typically run dry tens of miles short of its own delta. A rare 2014 binational "pulse flow" (Minute 319) deliberately released water to let the river briefly touch the sea again for the first time in decades.

Imperial Valley / IID trivia: The Salton Sea was born of an engineering accident — in 1905 the Colorado River broke through a poorly built irrigation intake and poured almost its entire flow into the Salton Sink for roughly two years before crews finally closed the breach in 1907, refilling a basin that had held the far larger ancient Lake Cahuilla centuries earlier.

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most important

Mediation is now the live storyline. At last week's CU Boulder Colorado River conference (June 4–5), acting Reclamation Commissioner Scott Cameron flatly conceded the federal government has no deal — "I wish I could tell you that we have a solution… we do not" — and the Upper and Lower Basin negotiators publicly warmed to bringing in a third-party mediator while panning Reclamation's proposed two-year renegotiation cycle.

🏛️ Federal / Interior / Reclamation

• Cameron told the Boulder conference Reclamation will impose a 10-year framework requiring states to renegotiate sharing terms every two years, tied to actual hydrologic conditions. Negotiators on both sides called the every-two-years cadence unworkable.

• No new 24-Month Study since the May 15 run; next monthly study expected mid-June. Final EIS for post-2026 operations still targeted for mid-summer, with guidelines required in place by Oct. 1.

💧 Reservoir ops & hydrology

• Spring runoff has ended below forecast for the season overall, though Lake Powell finished the runoff period a few feet above the projected line. May 24-Month Study still projects Powell ending WY2026 near 3,511 ft (~20% full) on a 3.27 MAF unregulated-inflow forecast (34% of average); April–July inflow pegged at just 13% of average.

• Mead projected to trend toward ~1,030 ft by early 2027 under continued dry conditions. Min power pool at Powell (3,490 ft) remains the watch line into late summer.

⚖️ Policy, legal, post-2026 negotiations

• Colorado's Becky Mitchell: constant two-year renegotiation is "difficult to fathom," but she backs tying operations to real conditions and sees mediation as a meaningful tool. Nevada's John Entsminger called the two-year plan "not the best" but said if a mediator helps, "let's do it" — while warning a durable multidecadal deal is "not close."

• Legal posture: No new filings. Kilpatrick's widely-circulated client alert reiterates that additional Mead delivery cuts "likely will ripen into a lawsuit" under SCOTUS original jurisdiction; Arizona's Sullivan & Cromwell retention stands. No new counsel retentions or fund movements disclosed publicly today.

• Meeting posture: Boulder was an academic conference, not a commissioner caucus — but it became the venue where state principals (Mitchell, Entsminger) and the acting federal commissioner aired positions in person. No governor-level escalation signals today. Mediation talk is commissioner-level, not yet SCOTUS docket activity.

🌾 Lower Basin / Imperial Valley specific

- IID's board vote to end its formal relationship with the Salton Sea Authority takes effect June 30, completing the shift of its restoration-leadership role to California's new Salton Sea Conservancy (a transition first announced Dec. 2). IID continues to tie its conservation offer — up to an additional 200K AF of system conservation in 2026 — to "meaningful progress at the Salton Sea" (Chairwoman Gina Dockstader).

📈 Significance for Imperial Valley

The center of gravity is sliding from bilateral basin talks toward mediation, and possibly litigation — terrain where IID's senior 1901 priority and the QSA are its strongest cards, but also where Salton Sea obligations become a pressure point others can use. The IID–Salton Sea Authority split, landing exactly as the Conservancy stands up, matters because it consolidates restoration accountability with the state just as IID needs the Sea linkage airtight to defend conditioning its conservation. No governor-level or court escalation today, but Cameron's "no solution" admission shortens the runway to Oct. 1.

📰 Further Reading

The big picture

• Utah News Dispatch: Colorado River's largest reservoirs heading toward a 'system crash,' experts warn — Fresh (June 7) framing of the 2028-water-year infrastructure risk if next year is dry; good non-specialist explainer of the stakes.

• KUNC / Wyoming Public Media: 5 things we learned at CU Boulder's Colorado River gathering — Best readable digest of the Boulder conference, including the "not all doom and gloom" counterpoint.

Negotiations & policy

• Denver Gazette: Colorado, Nevada negotiators split on federal 10-year river plan — Direct quotes from Mitchell and Entsminger on why the two-year cadence won't fly.

• CPR: Colorado and Nevada throw cold water on parts of federal plan — Cameron's "no solution" admission and the federal intervention angle.

• Maven's Notebook: Post-2026 operations — Lower Basin proposal and next steps — Background anchor on the LB 3.2 MAF proposal and procedural path.

Legal

• Courthouse News: Compact negotiators see rocky road toward mediation — Best single read on the mediation pivot and its limits (June 6).

• Kilpatrick (JD Supra): Colorado River Developments and Potential Compact Litigation — Law-firm analysis of how Mead cuts could "ripen into a lawsuit" under SCOTUS original jurisdiction.

Imperial Valley & IID

• Imperial Valley Insight: IID board votes to terminate Salton Sea restoration agreement — Local reporting on the June 30 effective split.

• Water Education Foundation: IID shifts from Salton Sea Authority to state conservancy — Context on what the Conservancy handoff means operationally.

Hydrology

• USBR: Spring runoff projections for Colorado River Basin worsen — Primary source on the deteriorating inflow outlook.

• Lake Powell Water Data (live tracker) — Standing real-time elevation reference.

• USBR May 24-Month Study — Powell elevation scenarios (PDF) — Primary projection source.

🎲 One More Thing

• Colorado River trivia: The 1922 Compact divided the river using an assumed annual flow of ~17.5 MAF — but tree-ring studies later showed the early-1900s measurement period was one of the wettest stretches in 500+ years. The river has averaged closer to 13–14 MAF since, meaning the entire legal architecture was built on water that was never reliably there.

• Imperial Valley / IID trivia: The Salton Sea exists because of an engineering accident: in 1905 the Colorado River breached a poorly-built irrigation intake and poured almost entirely into the Salton Sink for nearly two years before crews finally dammed it in 1907 — creating California's largest lake by surface area essentially by mistake.

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most important

The federal government is now openly steering toward imposing its own plan. At the Getches‑Wilkinson conference in Boulder (June 5), acting Reclamation Commissioner Scott Cameron confirmed the bureau's preferred alternative is a 10‑year framework requiring renegotiation every two years, with a Final EIS and Record of Decision expected "mid to late summer" and covering only the 2027–2028 operating years. He declined firm dates and warned federal money is thin — "less than $100 million at this point." This is the clearest signal yet that the seven‑state consensus track has failed and the feds will act unilaterally.

🏛️ Federal / Interior / Reclamation

• Cameron's 10‑year/2‑year framing supersedes the looser "two‑year review framework" floated May 21 — same modeling, now packaged as Reclamation's preferred alternative heading into the FEIS.

• Reclamation reiterated any new framework takes effect with Water Year 2027 (Oct 1, 2026); current 2007/2026 guidelines expire end of October.

💧 Reservoir ops & hydrology

• Lake Powell ≈ 3,551 ft and Lake Mead ≈ 1,055 ft (USBR, early June) — Powell up modestly on spring inflow; Mead holding ~20 ft below the shortage trigger. Most‑probable 24‑Month Study has Powell falling to ~3,504 ft and Mead to ~1,037 ft by Dec 31, 2026.

• A new expert report (released June 2–3, building on last September's) warns that a repeat dry winter would let the U.S. overconsume natural flow by 2.59 MAF, risking a "crash" of the storage system with Hoover and Glen Canyon reduced to run‑of‑the‑river. The 2025–26 "snow drought" peaked a month early; Colorado headwaters SWE hit 38% of average — lowest in 40+ years.

⚖️ Policy, legal, post‑2026 negotiations

• JB Hamby / CRB: California continues pushing a "natural flow‑based approach" to post‑2026 ops as the cleaner path to consensus than compact fights — consistent with the March DEIS comment letter.

• Legal posture: No new filings today. Litigation risk remains "high" per Utah's negotiator; AZ's Sullivan & Cromwell retention stands. The core split is unchanged — LB wants guaranteed UB releases (82.5 MAF/10 yr including half the Mexico obligation); UB rejects that math.

• Meeting posture: Activity centered on the Getches‑Wilkinson academic conference (staff/commissioner level, not governors). No governor‑level escalation or SCOTUS docket movement detected.

🌾 Lower Basin / Imperial Valley specific

• First interstate water‑sharing MOU signed June 3 at the Carlsbad desal plant by Reclamation, SDCWA, MWD, SNWA, ADWR, CAP and SRP — a framework letting Arizona and Nevada tap San Diego's surplus (incl. Carlsbad desal, 54 MGD) by moving water "on paper." First mechanism of its kind in the Basin.

• IID reaffirms readiness to add 200 KAF of 2026 system conservation (cost‑shared, subject to a federal deal) and keeps tying river conservation to Salton Sea playa/air‑quality risk.

📈 Significance for Imperial Valley

The federal pivot to a self‑imposed 10‑year/2‑year framework is the day's real story for IID: if Reclamation writes the rules, IID's senior 1901 priority and the Salton Sea scope carve‑out depend on the FEIS language, not a negotiated deal — making Hamby's "natural flow" framing and the March comment letter the decisive levers this summer. The Carlsbad MOU is a notable LB cohesion signal (CA‑AZ‑NV cooperating on supply) even as the UB standoff hardens. Watch the mid‑to‑late‑summer FEIS/ROD as the next pressure point.

📰 Further Reading

The big picture

• KUER: The new target for a Colorado River plan is 'mid to late summer' — Cleanest writeup of Cameron's timeline and funding caveat; the single best read today.

• Colorado Springs Gazette: With no 7‑state deal, federal agency turns to 10‑year strategy — Frames the unilateral federal pivot and the 2‑year renegotiation cadence.

Negotiations & policy

• Hanford Sentinel/AP: Feds will impose a 10‑year plan requiring negotiations every 2 years — Wire version with the mechanics of the preferred alternative.

• Inside Climate News: Feds Will Soon Impose New Framework if States Can't Agree — Background on how the consensus track collapsed.

Legal

• Kilpatrick (JD Supra): Colorado River Developments and Potential Compact Litigation — Lawyer's-eye view of compact‑call and breach scenarios; useful primary-ish legal framing.

• KUER: 'The risk of litigation is high,' says Utah's negotiator — Upper Basin perspective on why court is plausible.

Infrastructure & federal money / supply deals

• Times of San Diego: Agencies in 3 states sign MOU to share water across the basin — Best on the Carlsbad signing and who was in the room.

• 8 News Now: Moving water 'on paper' at heart of new 3‑state agreement — Explains the "paper water" exchange mechanism for non‑specialists.

• NPR: Why a city most dependent on the Colorado River now has water for sale — The San Diego surplus story behind the MOU.

Imperial Valley & IID

• IID: Post‑2026 Operations Must Comply with the Law of the River — Primary source on IID's legal posture and Salton Sea linkage.

• IID: Affirms Leadership and Preparedness as Federal Process Continues — Primary source; the 200 KAF conservation offer.

Hydrology

• Inside Climate News: Colorado River faces 'devastating consequences' if another dry winter lands — Best single read on the new overconsumption/dead‑pool modeling.

• Water Diplomat: Snow drought and low flows in the Colorado — Tight summary of the 38%‑of‑average snowpack.

• USBR Lower Colorado Weekly Hydrologic Update — Standing primary tracker for Mead operations.

• USBR May 2026 Most Probable 24‑Month Study — Standing primary tracker for projected elevations.

🎲 One More Thing

• Colorado River trivia: Glen Canyon Dam's "minimum power pool" — the elevation below which its turbines can't reliably spin — is 3,490 ft, but engineers also worry about 3,370 ft, "dead pool," where water can no longer pass through the dam's outlets at all. The buffer between keeping the lights on and the river physically stopping is just 120 vertical feet.

• Imperial Valley / IID trivia: Before the Colorado broke its banks in 1905, the Salton Sink was dry desert below sea level — but it had been filled many times over millennia by the river naturally swinging course, forming ancient Lake Cahuilla, which at its largest was roughly six times the size of today's Salton Sea and left a "bathtub ring" of travertine still visible on the surrounding mountains.

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most important

Reclamation and six Lower Basin agencies signed a three-state interstate-exchange MOU at the Carlsbad desal plant June 3 — being called "QSA 2.0" — and acting Reclamation Commissioner Scott Cameron told the Boulder conference the federal preferred plan (a 10-year framework) will land "mid to late summer," to be imposed if the seven states don't agree first.

🏛️ Federal / Interior / Reclamation

At the Getches-Wilkinson Conference on the Colorado River (Boulder, June 4–5), acting Commissioner Cameron set the timeline: a final EIS in mid-summer detailing the federal preferred alternative — a 10-year operating framework — followed shortly by a final decision. He declined exact dates ("mid to late summer") and warned that remaining federal conservation funding is "south of $100 million," a sharp constraint on paying for voluntary cuts. The June 2026 24-Month Study is due around June 15.

💧 Reservoir ops & hydrology

System storage is now ~36% of capacity. WY2026 unregulated inflow to Powell is pegged at 3.27 MAF (34% of average); the April–July spring inflow (~800 KAF, 13% of normal) is the lowest on record. The May 24-Month Study projects Powell ending WY2026 near 3,511 ft (~20% full); Mead is projected near 1,037 ft by Dec 31 — with a conservative-scenario record low of ~1,036 ft. A June 1 analysis ("Storage Continues Slide Toward Crash") and conference experts warned another dry winter could push Mead and Powell toward minimum power pool.

⚖️ Policy, legal, post-2026 negotiations

Negotiations remain stalled: the Upper Basin's February consensus framework stands rejected by the Lower Basin, and LB has not rejoined formal talks. The mid-summer federal deadline is now the forcing function. Legal posture: no new filings today, but the May 31 SCOTUS Rio Grande ruling is being read as a possible ripple onto Colorado River disputes; Arizona's state engineer reiterates willingness to litigate, while UCRC's Becky Mitchell repeats "litigation will not generate any new water." Meeting posture: Cameron (acting commissioner) traveled to Boulder; CRIT Chairwoman Amelia Flores and the Water & Tribes Initiative were front-and-center — tribal inclusion is now a named pillar of any durable deal. No governor-level escalation signals today.

🌾 Lower Basin / Imperial Valley specific

The Carlsbad MOU was signed by Reclamation, SDCWA, MWD, SNWA, Arizona DWR, CAP, and SRP. Mechanism: San Diego would exchange its Colorado River supplies stored in Lake Mead for desalinated Pacific water — leaving those river supplies in Mead for Arizona/Nevada — using existing infrastructure, no change to underlying rights. IID was not a signatory.

📈 Significance for Imperial Valley

A working LB interstate-exchange framework strengthens the Lower Basin's "we're already contributing" posture heading into the federal decision — useful leverage against UB curtailment demands. But IID's absence from the Carlsbad table is worth watching: a "QSA 2.0" framing invites scrutiny of senior IID/PVID priority rights and Salton Sea mitigation obligations, exactly the scope CRB fought to keep out of the DEIS. With the feds now signaling a mid-summer imposed framework, the window for IID to shape — rather than react to — the post-2026 rules is closing fast.

📰 Further Reading

The big picture

• KUER/KJZZ: The new target for a Colorado River plan is 'mid to late summer' — Best single read on the new federal timeline; Cameron's own words from Boulder.

• Inside Climate News: Feds Will Soon Impose New Framework if States Can't Agree — Frames the mid-summer EIS as a default the states are racing to pre-empt.

• AZ Luminaria: 'Devastating consequences' if another dry winter lands — Conference experts on crash risk.

Negotiations & policy

• Courthouse News: Compact negotiators see rocky road toward mediation — Where mediation stands; UB/LB sticking points.

• Review-Journal: States call for a Colorado River mediator as talks stall — Hamby's mediation case and the "verifiable contributions" ask.

Imperial Valley & IID / Lower Basin

• Voice of San Diego: Colorado River Deal Is a 'QSA 2.0' — Sharpest take on what the MOU means for California water politics.

• San Diego County Water Authority: Southwest Interstate Exchange MOU — Primary source; signatories and scope.

• NPR: Why one of the cities most dependent on the river now has water to sell — The San Diego desal-for-river-water swap explained.

• ENR: Colorado River Agencies Test Framework for Interstate Exchanges — Infrastructure/engineering angle on "moving water on paper."

Hydrology

• Reclamation: Lower Colorado Weekly Hydrologic Update (June 1, 2026) — Primary-source reservoir data.

• Reclamation: May 2026 24-Month Study Powell elevation projections — Primary source for the WY2026 endpoints.

• Lake Powell live data / CAP Colorado River Conditions Dashboard — Standing real-time trackers.

Legal

• Colorado Politics: SCOTUS settles Rio Grande dispute — Adjacent ruling water lawyers are reading for Colorado River implications.

🎲 One More Thing

• Colorado River trivia:* The 1922 Compact divided the river using a phantom number. Negotiators assumed ~16.5 MAF of annual flow based on an unusually wet early-1900s record; tree-ring studies later showed the long-run average is closer to 13–14 MAF. The entire allocation system was overcommitted from the day it was signed.

Imperial Valley / IID trivia: The Salton Sea exists because of an engineering accident. In 1905 the Colorado River breached a poorly built irrigation intake near the Mexican border and poured almost its entire flow into the Salton Sink for roughly two years before crews — using rock hauled in by Southern Pacific rail — finally plugged it in 1907, by which point the modern sea had already formed.

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most important

Nothing material broke in the last 24 hours — but we've crossed into the June inflection window everyone has been pointing at. Reclamation's Final EIS analysis for post-2026 operations is slated to begin this month, and Arizona has said it won't weigh legal action "until June at the earliest," pending Interior's read on the DEIS. The next four to ten weeks decide whether this stays an administrative process or becomes a Supreme Court original-jurisdiction case.

🏛️ Federal / Interior / Reclamation

The post-2026 schedule firmed up in recent reporting: Final EIS analysis expected to begin early June, the Final EIS notice of availability targeted for late July, and the Record of Decision aimed at roughly the same window — about ten weeks out, all ahead of the Oct. 1 expiry of the Interim Guidelines. Reclamation took more than 18,000 DEIS comments (period closed March 2). No new 24-Month Study since the May 15 release.

💧 Reservoir ops & hydrology

Per the May 15 24-Month Study (still the latest): Powell ended April at ~3,527 ft (~24% capacity); the most-probable WY2026 unregulated inflow is 3.27 MAF (34% of average), with the April–July forecast at just 0.800 MAF (13% of average) and May inflow at 0.180 MAF (9%). Powell is projected to finish WY2026 near 3,510.85 ft (~4.77 MAF, 20%). Spring runoff has effectively ended below forecast; the 6.0 MAF Powell release cap and Flaming Gorge augmentation remain the only things holding Powell off minimum power pool (3,490 ft) into fall.

⚖️ Policy, legal, post-2026 negotiations

The Upper Basin's late-April mediation call and the May 1 Lower Basin 3.2 MAF bridge proposal remain the live texts; no new state filing today. Analysts continue to frame June's Interior DEIS posture as the trigger that clarifies whether Arizona (Sullivan & Cromwell retained) sues the federal government or the Upper Basin under the 1922 Compact's 7.5 MAF delivery obligation — a dispute that would land in SCOTUS original jurisdiction. One expert reiterated litigation is likely "within the next 12 months." No new counsel retentions or fund movements surfaced publicly today.

🌾 Lower Basin / Imperial Valley specific

No new IID release today (the March 5 DEIS letter remains its anchor). New since the last brief: the Colorado River District (Western Slope, Upper Basin) launched a state-approved emergency water supply plan — borrowing from Wolford Mountain and Ruedi reservoirs to avoid triggering the Cameo call, and asking urban residents to limit lawn watering to once weekly.

📈 Significance for Imperial Valley

June is the hinge. The order Interior chooses in the Final EIS — and whether it honors the priority system protecting IID's senior 1901 rights — determines whether Imperial Valley's position is defended administratively or has to be litigated. The Upper Basin's own emergency rationing on the Western Slope strengthens the Lower Basin's argument that curtailment, not just CRSP repair, is unavoidable basin-wide — but it also hardens UB resolve against fixed cuts. Watch for the Interior DEIS signal: it sets Arizona's litigation clock, and IID rides with Arizona's timing whether it wants to or not.

📰 Further Reading

The big picture

• Inside Climate News: Colorado River Faces 'Devastating Consequences' If Another Dry Winter Lands — June 2 framing of 2027 risk: a repeat of a WY2025-type year would overconsume natural flow by 2.59 MAF and push Mead and Powell to the edge of power-pool/structural minimums. Best single read on the stakes of next winter.

• KNAU: About 40 million people use water from the Colorado River. Right? — June 1 explainer interrogating the most-cited basin statistic; useful for non-specialists and for anyone who quotes that number.

Negotiations & policy

• Maven's Notebook: Post-2026 operations — Lower Basin proposal and next steps — Cleanest walkthrough of the May 1 LB proposal and the federal NEPA path to Oct. 1.

• KJZZ: There's a new plan for managing the Colorado River. Here's what you should know — Lays out the FEIS-to-ROD timeline (early-June analysis, late-July notice).

Legal

• Kilpatrick (KTS): Colorado River Developments and Potential Compact Litigation — Primary-style legal analysis of how additional LB cuts ripen into a Compact suit.

• AZ Mirror: Arizona hires high-powered law firm, setting the stage for a legal battle — Background on the Sullivan & Cromwell retention and the SCOTUS scenario.

Imperial Valley & IID

- IID: Post-2026 Operations Must Comply with the Law of the River — IID's March 5 DEIS letter (priority system, Glen Canyon repair, Salton Sea scope); still the anchor IID position.

Hydrology

• Reclamation: May 2026 Powell Elevation Projections (PDF) — Primary source for the 24-Month Study inflow scenarios.

• Lower Colorado Weekly Hydrologic Update (PDF) — Standing tracker, refreshed weekly.

• Lake Powell Water Data and Lake Powell Water Level — Real-time elevation trackers.

Infrastructure & federal money

- CPR: Colorado River District launches emergency water plan to protect Western Slope communities — Upper Basin rationing in action; relevant to the LB curtailment argument.

🎲 One More Thing

Colorado River trivia: When full, Lake Powell has nearly 2,000 miles of shoreline winding through Glen Canyon's side canyons — more coastline than the entire Pacific coast of the continental United States. At today's ~24% capacity, a huge share of that shoreline is exposed sandstone and "bathtub ring."

Imperial Valley / IID trivia: The Salton Sea wasn't born of a flood from the sky — it was an engineering accident. In 1905 the Colorado River breached a poorly built irrigation intake and poured almost its entire flow into the Salton Sink for roughly 18 months. It took the Southern Pacific Railroad dumping trainload after trainload of rock to finally plug the breach in 1907 — by which point the modern Salton Sea existed.

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most important

Nothing material since yesterday. No new Reclamation order, court filing, or governor-level escalation surfaced in the last 24–48 hours. The basin remains in the post-April holding pattern: Burgum's emergency operations are running, the Lower Basin's 3.2 MAF bridge proposal is on the table, the Upper Basin has called it "insufficient" and wants mediation, and everyone is waiting on Interior's threatened summer decision for post-2026.

🏛️ Federal / Interior / Reclamation

No new press release from usbr.gov or doi.gov today. The next scheduled signal is the June 24-Month Study, due by mid-month (~June 15); that release sets updated Powell/Mead operating projections and is the document to watch this week. Reclamation's two-year post-2026 review framework (floated May 21) remains the operative federal posture — Interior continues to signal it will "determine operations for post-2026 later this summer" if the states don't converge.

💧 Reservoir ops & hydrology

No revision to the May numbers. Per the May 15 24-Month Study: Powell most-probable end-of-2026 elevation ~3,504 ft; Mead ~1,037 ft, with the probable-minimum trace touching a record-low ~1,035–1,036 ft. WY2026 unregulated inflow to Powell holds at the most-probable 3.27 MAF (~34% of average); the April–July forecast remains a dismal 0.80 MAF (~13% of average). Powell's sub-3,490 ft minimum-power-pool risk window (as early as June, more likely August absent intervention) is exactly what the Flaming Gorge releases and 6.0 MAF Powell cut are meant to defer. Flaming Gorge releases proceeding as announced.

⚖️ Policy, legal, post-2026 negotiations

No new filing today. The standing legal picture is unchanged and worth restating only because it's the live risk: a Compact-compliance suit — plausibly reaching the Supreme Court within ~12 months per a Colorado River District official — would likely ripen the moment Reclamation imposes involuntary Lower Basin cuts. Legal posture: Arizona (Sullivan & Cromwell, $3M+ fund), Utah ($5M + $1M), and Wyoming ($5M) appropriations remain the disclosed war chests; no new retentions or DOJ/SCOTUS docket activity reported today. Meeting posture: no governor-level travel or joint statements detected since yesterday — the escalation signals (Newsom/Hobbs/Polis face-to-face, SCOTUS filing) have NOT tripped. Commissioner-level coordination continues routinely.

🌾 Lower Basin / Imperial Valley specific

No new IID, MWD, CAP, SNWA, CVWD, PVID, or SDCWA action today. Backdrop holds: IID's expanded up-to-100K AF 2026 conservation (approved May 15) is the binding local commitment, and conservation-vs-Salton-Sea tension — efficiency savings cutting agricultural return flows and exposing playa — remains the central Imperial Valley risk, with ~$250M in federal restoration money gated to those conservation milestones.

📈 Significance for Imperial Valley

A quiet day is, for IID, a good day: the longer Interior delays a forced-cut order, the longer the Lower Basin's voluntary-first structure (which protects California's senior priority and IID's 1901 rights) stays intact. The June 24-Month Study is the near-term inflection — if it pushes Powell's minimum-power-pool date earlier, it strengthens Interior's hand to act unilaterally this summer, which is precisely the scenario that converts the III(c) dispute from negotiation into litigation. No escalation signal today, but the structural clock is running.

📰 Further Reading

Curated from today's research — annotated.

The big picture

• Inside Climate News: Colorado River Faces 'Devastating Consequences' If Another Dry Winter Lands — Fresh (June 2) framing of the 2026–27 stakes; best single read on why this hydrologic year leaves zero margin.

• Sierra Club: Can the Colorado River Survive 2026? — Accessible overview of the mass-balance problem and the emergency-operations gamble; good for non-specialists.

Negotiations & policy

• Maven's Notebook: Post-2026 operations — Lower Basin proposal and next steps — Clearest blow-by-blow of the LB bridge proposal and the UB "insufficient"/mediation response.

• Maven's Notebook: MET committee — Lower Basin pushes back as Reclamation advances drought actions — Inside the LB's objection to Reclamation moving without consensus.

• Tucson.com: Interior secretary says 'nobody will be happy' with Colorado River decision — Burgum in his own words on the coming unilateral call.

Legal

• Kilpatrick (KTS): Colorado River Developments and Potential Compact Litigation — Best lawyerly explainer of how a forced LB cut "ripens into a lawsuit"; primary-ish legal analysis.

• Colorado Sun: There will be lawyers — Maps the litigation funds and likely venues; the III(c) vs. 82.5 MAF fight in plain English.

• KUER: 'The risk of litigation is high,' says Utah's negotiator — Upper Basin perspective on why they won't accept curtailment.

Hydrology (standing trackers)

• Reclamation: May 2026 Most Probable 24-Month Study (PDF) — Primary source for current Powell/Mead operating projections; watch for the June replacement ~mid-month.

• Lake Powell Water Data (real-time) — Live Powell elevation tracker.

• CAP: Colorado River Conditions Dashboard — One-stop live Mead/Powell + shortage-tier dashboard.

Imperial Valley & IID

• IID: Post-2026 Operations Must Comply with the Law of the River — IID's own statement of its legal red lines; primary source for the district's posture.

🎲 One More Thing

Colorado River trivia: The 1922 Compact divided the river using a phantom number. Negotiators assumed an average annual flow of ~17.5 MAF based on an unusually wet 1905–1922 measurement window; tree-ring studies later pegged the long-run average closer to 14–15 MAF. The entire allocation system — 7.5 MAF each to Upper and Lower Basins — was built on roughly 2–3 MAF of water that, on average, was never there.

Imperial Valley / IID trivia: The Salton Sea is an accident. In 1905 the Colorado River breached a poorly built irrigation intake and poured almost its entire flow into the Salton Sink for nearly two years before engineers (and a mountain of railroad rock) finally closed the gap in 1907 — refilling a basin that ancient Lake Cahuilla had occupied on and off for centuries. California's largest lake exists because of a canal failure.

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.

🚨 Breaking / Most important

A new report from a group of widely respected basin scientists (the "running on empty" team, released via CU Boulder's Getches-Wilkinson Center June 1–2) warns the system is sliding toward a "crash." If WY2027 mirrors a recent dry year, the basin would overconsume natural flow by ~2.59 MAF, pushing Powell and Mead to near "run-of-the-river" — reservoirs that store nothing and just pass water through. It lands 48 hours before the basin's principals gather in Boulder.

🏛️ Federal / Interior / Reclamation

No new Reclamation order today. The May 24-Month Study remains the operative projection (Powell ending WY2026 near 3,511 ft, ~20% capacity, on a 3.27 MAF inflow forecast). Watch this month: Arizona and others expect a DOI signal on the post-2026 DEIS "around June," which would clarify legal positions; no preferred alternative has been published yet (decision due before Oct 1).

💧 Reservoir ops & hydrology

The headline hydrology item is analytical, not a new gauge reading: the new report argues Powell is "functionally even lower than on paper" because the bottom slice of storage is hard to deliver and protects dam operations only on paper. No change to Flaming Gorge releases (still 660K–1M AF through Apr 2027) or the 6.0 MAF Powell release cut. Snowpack/runoff already booked as one of the lowest on record.

⚖️ Policy, legal, post-2026 negotiations

No new filing today. The litigation clock is the story: Arizona (Sullivan & Cromwell, $3M fund) has signaled it won't act before June, and Colorado River District GM Andy Mueller publicly reiterated he expects "litigation in the Supreme Court within the next 12 months." Any Compact-enforcement suit lands in SCOTUS original jurisdiction.

Meeting posture & escalation: The 2026 Conference on the Colorado River (June 4–5, CU Boulder), co-convened with the Water & Tribes Initiative, puts negotiators, tribes, and agency leaders in one room in person this week — a venue worth watching for sideline signaling. No governor-level travel or joint statements surfaced today.

🌾 Lower Basin / Imperial Valley specific

IID's previously approved move to end its formal relationship with the Salton Sea Authority takes effect June 30 — a governance realignment, not a change to restoration work, which the Authority and the new Salton Sea Conservancy continue to lead. No new MWD/CAP/SNWA actions today.

📈 Significance for Imperial Valley

A high-credibility "system crash" warning days before the Boulder conference hardens the case for permanent, basin-wide demand reductions — exactly the framing that pressures the Upper Basin's "live within supply" line and supports California/IID's argument that structural overdraft, not just LB cuts, must be solved. With the DOI DEIS signal and Arizona's litigation window both pointed at June, IID's senior-priority position and the CRB III(c) theory are about to be tested in real time rather than in comment letters.

📰 Further Reading

The big picture

• Inside Climate News: Colorado River Faces 'Devastating Consequences' If Another Dry Winter Lands — Clearest narrative writeup of the new report and the run-of-the-river scenario.

• KJZZ: Colorado River leaders must act soon to avoid 'devastating consequences,' report says — Tight regional summary with the urgency framing.

• Inkstain (John Fleck): new report from my colleagues on running on empty — Insider context from someone close to the authors; best for the "what's actually new" read.

• Getches-Wilkinson Center: Basin Storage Continues Slide Toward System Crash (UPDATE) — Primary source for the report itself.

Hydrology

• UPR: Lake Powell levels are functionally even lower than on paper — Best single read on the "deliverable storage" nuance.

• Reclamation: May 2026 24-Month Study (Powell elevations) — Primary projection source.

• Lake Powell real-time water data — Standing tracker.

• Reclamation: Lower Colorado 24-Month projections (Mead) — Standing tracker.

Negotiations & policy

• Getches-Wilkinson Center: 2026 Conference on the Colorado River (June 4–5) — Agenda and speakers; the week's in-person gathering.

• Maven's Notebook: Post-2026 operations — Lower Basin proposal and next steps — Best recap of where the LB 3.2 MAF proposal stands.

Legal

• Coyote Gulch / Colorado Sun: states, potential cuts, and the coming legal battles — Background on the SCOTUS-original-jurisdiction posture; still the best legal primer.

Imperial Valley & IID

• IID: Acts to Protect Colorado River, Salton Sea with New Conservation Agreement — Primary source on IID conservation posture and the Salton Sea Authority split.

🎲 One More Thing

• Colorado River trivia: Lake Powell's "minimum power pool" of 3,490 ft isn't the bottom — below it sits "dead pool" at 3,370 ft, where water can no longer pass through Glen Canyon Dam's outlets at all. The 120-foot gap between the two is the entire margin Reclamation is fighting to defend this summer.

• Imperial Valley / IID trivia: The Salton Sea was born from an engineering accident: in 1905 the Colorado River breached a poorly built irrigation intake and poured into the Salton Sink essentially unchecked for roughly two years before crews finally closed the gap in 1907 — filling a dry desert basin that had, for centuries before, periodically held the far larger freshwater Lake Cahuilla.

📅 Why does the calendar show "Jul 17"? Apple hardcoded that date into the emoji artwork when they launched iCal on July 17, 2002. It never changes. The date in the headline is correct.