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Western Water Law & Policy Reporter

August/September 2026

Volume 30, Number 10 August/September 2026

WESTERN WATER NEWS

Four Years of Drought: Washington State’s Governor Seeks Collaboration on the State’s Water Future243

REGULATORY DEVELOPMENTS

U.S. Bureau of Reclamation Issues Colorado River Operating Guide-

lines245

California State Water Resources Control Board Moves Toward California’s First SGMA Interim Plan as Courts Define the Limits of Probationary

Authority247

California State Water Resources Control Board to Consider $50,000 to $250,000 Fee for “Good Actor” Fee Exclusion Requests in Probationary

Basins249

Idaho Water Resource Board Receives Technical Updates Concerning the Health of the Eastern Snake Plan Aquifer250

New Mexico Weighs New State and NPDES Surface-Water Permitting

Frameworks252

EPA NEWS AND SANCTIONS

Recent EPA News, Investigations and Sanctions254

LAWSUITS FILED OR PENDING

Nevada Files Suit in the U.S. District Court Challenging the Bureau of Reclamation’s August 2026 Record of Decision for Colorado River Guide-

lines259

RECENT FEDERAL DECISIONS

Circuit Court of Appeals:

Ninth Circuit Affirms Endangered Species Act

Applies to U.S. Bureau of Reclamation’s Operation of the Klamath Project261

Yurok Tribe v. U.S. Bureau of Reclamation, 179 F.4th 663 (9th Cir. 2026).

District Court:

U.S. District Court for Arizona Invalidates Incidental Take Statements for Coronado National Forest Grazing Program263

Center for Biological Diversity v. Moore, ___F.Supp.4th___, Case No. CV-23-00354-TUC-AMM (D. Ariz. Aug. 18, 2026).

U.S. District Court Denies Preliminary Injunction over Shasta Dam Operations, Upholding U.S.

Bureau of Reclamation’s Water Plan265

San Francisco Baykeeper v. U.S. Bureau of Reclamation, ___F.Supp.4th___, Case No. 2:26-cv-00671-JLT-EPG (E.D. Cal. Aug. 3, 2026).

RECENT STATE DECISIONS

California Court of Appeal Limits Scope of Regulatory Fees under SGMA to Owners and Operators of Groundwater Wells267

Garst v. Tehama County Flood Control and Water Conservation District, 121 Cal.App.5th 507 (3rd Dist. 2026).