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Western Water Law & Policy Reporter

October 2025

Volume 29, Number 11 October 2025

WESTERN WATER NEWS

Colorado River Basin States Are Quickly Approaching their 2026 Deadline for Management Guidelines231

LEGISLATIVE DEVELOPMENTS

California Assembly Bill 823: A Bill to Ban Microplastics in Personal Products and Cleaning Products Passes the Senate and Moves to Governor’s Desk for Signature233

REGULATORY DEVELOPMENTS

California Department of Fish and Wildlife Releases Western Joshua Tree Conservation Plan235

California State Water Resources Control Board to Set 2025-2026 Water Rights Fees237

Idaho Water Resources Board Hearing Officer Issues Important Evidentiary Ruling in Anderson Ranch Dam Raise Matter238

New Mexico Environmental Department Water-Related Updates239

The Steamflow Restoration Act: Washington State Department of Ecology’s Implementation Actions241

PENALTIES, SANCTIONS, AND EPA NEWS

Recent Penalties, Sanctions, and EPA News243

JUDICIAL DEVELOPMENTS

Federal:

U.S. District Court Directs U.S. Fish and Wildlife Service to Complete Review of Petition for ESA Listing of White Sturgeon as “Threatened” Within Nine Months247

San Francisco Baykeeper, et al. v. United States Fish and Wildlife Service, et al., ___F.Supp.4th___, Case No. 25-cv-01360-LJC (N.D. Cal. Sept. 3, 2025).

State:

California Supreme Court Replaces Greyhound Deference for Public Utilities Commission’s Interpretation of Its Code with Less Deferential Yamaha

Standard249

Center for Biological Diversity v. Public Utilities Commission, ___Cal.5th___, Case No. S283614 (Aug. 7, 2025).

Colorado Court of Appeals Interprets the 2019 Amendment to Colorado’s Ditch Right-of-Way

Statute250

Baker v. Safadi-Chamberlain, 25 COA 63 (Colo.App. 2025).