California Water Law & Policy Reporter
March 2026
Volume 36, Number 6
March 2026
CALIFORNIA WATER NEWS
Southwest Kings Groundwater Sustainability Agency Threatens $1000 Daily Fine and Shutoff if Wells Are Not Registered123
LEGISLATIVE DEVELOPMENTS
U.S. Senator Alex Padilla Introduces Two Bills to Provide Funding and
Encourage Innovative Solutions to Ensure Sustainable Future Water
Supply125
REGULATORY DEVELOPMENTS
Sites Reservoir Project Moves Forward with Department of the Interior’s Record of Decision—The Road Ahead127
Department of Water Resources Officially Launches Project to Update the California Water Plan128
Sinking Ground: Department of Water Resources Issues Updated Best
Management Practices on Land Subsidence Under the Sustainable Groundwater Management Act130
Department of Water Resources Increases 2026 State Water Project Allocation from 10 to 30 Percent132
State Water Resources Control Board Holds Firm on Bay-Delta Plan Updates: Key Takeaways from the January 2026 Hearings and New Accounting Frameworks134
Colorado Increases Regulations, Measurement Rules in the Face of Continuing Drought135
RECENT CALIFORNIA DECISIONS
District Court of Appeal:
Third District Court Affirms Denial of Writ Challenging City’s Certification of EIR for Warehouse Project, Finds Water Supply Assessment Complied with CEQA138
City of Vallejo v. City of American Canyon, ___Cal.App.5th___, Case No. C102070 (3rd Dist. Jan. 14, 2026).
CEQA, Deference and the “Subsequent Review” Standard—Second District Court Affirms Standard of Review Post MND/EIR140
Ventura County Citizens Against Mega Gas v. City of Camarillo, Unpub., Case No. B344843 (2nd Dist. Feb. 2, 2026).
Superior Court:
Federal Reserved Groundwater Rights in California: Superior Court Issues Phase 1 Decision in the
Indian Wells Valley Adjudication142
Mojave Pistachios, LLC v. Indian Wells Valley Water District, Case No. 30-2021-01187275-CU-OR-CJC (Orange County Super. Ct. Sept. 15, 2025).