Your authoritative, multi-channel network for natural resources and environmental information since 1989 – by practioners for practitioners.

Western Water Law & Policy Reporter

July 2025

Volume 29, Number 9 July 2025

WESTERN WATER NEWS

Colorado River Water Conservation District Encounters Financial, Legal Hurdles in Landmark Water Rights Purchase183

Idaho Water Users React to President Trump’s Presidential Memorandum: ‘Stopping Radical Environmentalism to Generate Power for the Columbia River Basin’185

Study Reveals Colorado River Basin Groundwater Levels Dropping Faster than Surface Water187

LEGISLATIVE DEVELOPMENTS

California Senate Bill 72 and the Economics of Water Supply Planning in California189

REGULATORY DEVELOPMENTS

EPA Announces its Intent to Update 2024 Effluent Limitations Guidelines for Steam Electric Power Generation191

Kaweah Subbasin Revises Groundwater Management Plans to Avoid State Water Board Enforcement under the California SGMA192

PENALTIES & SANCTIONS

Recent Penalties, Sanctions and EPA News194

LAWSUITS FILED OR PENDING

Arizona Lawsuit Claims Groundwater Withdrawals Infringe Federal

Reserved Water Rights and Calls for Reevaluation of Water Reports

Complaint196

RECENT FEDERAL DECISIONS

U.S. Supreme Court:

Recalibrating NEPA Compliance: The U.S. Supreme Court’s Clarification on the Purpose and Scope of Environmental Review198

Seven County Infrastructure Coalition v. Eagle County, Colorado, ___U.S.___, Case No. (May 29, 2025).

Circuit Court of Appeals:

Ninth Circuit Remands EPA’s Refusal to Update Industrial Effluent Guidelines under the Clean Water Act200

Waterkeeper Alliance, et al. v. US EPA, et al., ___F.4th___, Case No. 23-636 (9th Cir. June 18, 2025).