Center for Biological Diversity v. United States Bureau of Reclamation

Court of Appeals for the Ninth Circuit·Decided August 17, 2026·No. 25-5137·Published

Opinion

FOR PUBLICATION

UNITED STATES COURT OF APPEALS FOR THE NINTH CIRCUIT

CENTER FOR BIOLOGICAL No. 25-5137 DIVERSITY; RESTORE THE DELTA; PLANNING AND D.C. No. CONSERVATION LEAGUE, 1:20-cv-00706-

JLT-EPG

Plaintiffs - Appellants,

v.

OPINION

UNITED STATES BUREAU OF RECLAMATION; DOUG BURGUM, in his official capacity of Secretary of Interior; UNITED STATES DEPARTMENT OF THE INTERIOR; CITY OF FOLSOM; CITY OF ROSEVILLE; EAST BAY MUNICIPAL UTILITY DISTRICT; PLACER COUNTY WATER AGENCY; SACRAMENTO COUNTY WATER AGENCY; SACRAMENTO MUNICIPAL UTILITY DISTRICT; SAN JUAN WATER DISTRICT; WESTLANDS WATER DISTRICT; CITY OF WEST SACRAMENTO; CITY OF SHASTA LAKE; MOUNTAIN GATE COMMUNITY SERVICES DISTRICT; SHASTA COMMUNITY 2 CTR. FOR BIOLOGICAL DIVERSITY V. BUREAU OF RECLAMATION

SERVICES DISTRICT; SHASTA COUNTY WATER AGENCY; CITY OF REDDING; 4-M WATER DISTRICT; BELLA VISTA WATER DISTRICT; COLUSA COUNTY WATER DISTRICT; CORNING WATER DISTRICT; CORTINA WATER DISTRICT; DUNNIGAN WATER DISTRICT; GLIDE WATER DISTRICT; KANAWHA WATER DISTRICT; LA GRANDE WATER DISTRICT; CENTERVILLE COMMUNITY SERVICES DISTRICT; CENTRAL SAN JOAQUIN WATER CONSERVATION DISTRICT; DAVIS WATER DISTRICT; DEL PUERTO WATER DISTRICT; GLENN VALLEY WATER DISTRICT; MYERS-MARSH MUTUAL WATER COMPANY; ORLAND-ARTOIS WATER DISTRICT; STOCKTON EAST WATER DISTRICT; WESTSIDE WATER DISTRICT; BANTA- CARBONA IRRIGATION DISTRICT; BYRON BETHANY IRRIGATION DISTRICT; EAGLE FIELD WATER DISTRICT; FRESNO SLOUGH WATER DISTRICT; HOLTHOUSE WATER DISTRICT; JAMES IRRIGATION DISTRICT; SANTA CLARA

CTR. FOR BIOLOGICAL DIVERSITY V. BUREAU OF RECLAMATION 3

VALLEY WATER DISTRICT; PROBERTA WATER DISTRICT; RECLAMATION DISTRICT 1606; TRANQUILITY IRRIGATION DISTRICT; WEST STANISLAUS IRRIGATION DISTRICT; PATTERSON IRRIGATION DISTRICT; CONTRA COSTA WATER DISTRICT; PACHECO WATER DISTRICT; SAN LUIS WATER DISTRICT; COUNTY OF COLUSA; EL DORADO IRRIGATION DISTRICT; PANOCHE WATER DISTRICT; CITY OF AVENAL; CITY OF COALINGA; CITY OF HURON; SAN BENITO COUNTY WATER DISTRICT; MERCY SPRINGS WATER DISTRICT; CITY OF LINDSAY; CITY OF ORANGE COVE; CITY OF TRACY; COUNTY OF FRESNO; COUNTY OF MADERA; COUNTY OF TULARE; HILLS VALLEY IRRIGATION DISTRICT; INTERNATIONAL WATER DISTRICT; KERN-TULARE WATER DISTRICT; LAGUNA WATER DISTRICT; LOWER TULE RIVER IRRIGATION DISTRICT; TRI VALLEY WATER DISTRICT; WESTLANDS WATER DISTRICT DISTRIBUTION DISTRICT NO. 1;

4 CTR. FOR BIOLOGICAL DIVERSITY V. BUREAU OF RECLAMATION

WESTLANDS WATER DISTRICT DISTRIBUTION DISTRICT NO. 2; WESTLANDS WATER DISTRICT FINANCING CORPORATION; CLEAR CREEK COMMUNITY SERVICES DISTRICT,

Defendants - Appellees.

Appeal from the United States District Court for the Eastern District of California Jennifer L. Thurston, District Judge, Presiding

Argued and Submitted May 22, 2026 San Francisco, California

Filed August 17, 2026

Before: Kim McLane Wardlaw, Daniel A. Bress, Gabriel P.

Sanchez, Circuit Judges

Opinion by Judge Sanchez

CTR. FOR BIOLOGICAL DIVERSITY V. BUREAU OF RECLAMATION 5

SUMMARY *

Environmental Law

The panel affirmed the district court’s summary judgment in favor of the U.S. Bureau of Reclamation in plaintiffs’ action concerning environmental review of water service contracts under the Water Infrastructure Improvements for the Nation (“WIIN”) Act for the Central Valley Project, a federally owned network of dams, canals and power plants that carry water from Northern California to water districts in Central and Southern California.

The WIIN Act created a mechanism for water districts to change the payment structure of their contracts so that water districts can prepay the costs of their water service contracts with the federal government and the government can use prepaid funds to build water storage infrastructure.

The panel held that Reclamation could convert the water service contracts at issue without conducting contract- specific National Environmental Policy Act (“NEPA”) review and Endangered Species Act (“ESA”) consultation.

NEPA requires that an agency conduct environmental review of actions only when that agency has some control over preventing the environmental effects of its actions. Similarly, Section 7(a)(2) of the ESA requires an agency to consult with the Fish and Wildlife Service and National Marine Fisheries Service only when that agency

*

This summary constitutes no part of the opinion of the court. It has been prepared by court staff for the convenience of the reader.

6 CTR. FOR BIOLOGICAL DIVERSITY V. BUREAU OF RECLAMATION

has some discretion to take action for the benefit of a protected species.

The panel held that § 4011(a) of the WIIN Act creates a mandatory duty for Reclamation to convert water service contracts into repayment contracts upon the request of the contractor, and does not provide Reclamation any discretion to alter the terms of the contract to alleviate environmental harms as part of the conversion process. Read together, § 4011(a)(1) and § 4011(a)(4) of the WIIN Act order Reclamation to convert water service contracts upon request by changing only terms that relate to the contract payment structure. Thus, because conversion is a nondiscretionary act, the panel held that Reclamation was not required to undertake NEPA review or ESA consultation prior to converting each water service contract under the WIIN Act. Contrary to plaintiffs’ argument, the panel held that its reading of § 4011(a) complies with the WIIN Act’s savings clauses.

COUNSEL

E. Robert Wright (argued), Law Office of E. Robert Wright, Sacramento, California; John Buse and Aruna M. Prabhala, Center for Biological Diversity, Oakland, California; Adam Keats, Law Office of Adam Keats PC, San Francisco, California; for Plaintiffs-Appellants. Angela N. Ellis (argued), Robert P. Stockman, David W. Gehlert, and Jeffrey N. Candrian, Attorneys, Environment & Natural Resources Division; Robert Lundman, Deputy Section Chief; Adam R.F. Gustafson, Principal Deputy Assistant Attorney General; United States Department of

CTR. FOR BIOLOGICAL DIVERSITY V. BUREAU OF RECLAMATION 7

Justice, Washington, D.C.; Meredith E. Nikkel (argued), Michael E. Vergara, Alyson E. Ackerman, Rebecca R.A. Smith, and Brian E. Hamilton, Downey Brand LLP, Sacramento, California; Cynthia J. Larsen (argued) and Justin Giovannettone, Orrick Herrington & Sutcliffe LLP, Sacramento, California; Kristen T. Castanos and Elizabeth P. Ewens, Stoel Rives LLP, Sacramento, California; Jennifer T. Buckman, Bartkiewicz Kronick Shanahan PC, Sacramento, California; Andrew M. Hitchings, Aaron A. Ferguson, and Ramsey L. Kropf, Somach Simmons & Dunn, Sacramento, California; Mary Loum and Elisabeth Esposito, Brownstein Hyatt Farber Schreck, Sacramento, California; Eric N. Robinson, William T. Chisum, Elizabeth Leeper, and Daniel J. O'Hanlon, Kronick Moskovitz Tiedemann & Girard, Sacramento, California; Collin M. Bogener, Moore & Bogener Inc., Redding, California; Joseph Larmour, County Counsel, County of Shasta, Redding, California; Jeanne M. Zolezzi, Herum Crabtree Suntag, Stockton, California; Brett Stroud, Scott K. Kuney, and Alan F. Doud, Young Wooldridge LLP, Bakersfield, California; Kaitlin S. Bursey, Lauren D. Layne, and Joseph M. Marchini, Baker Manock & Jensen, Fresno, California; Sean G. Herman, Hanson Bridgett LLP, San Francisco, California; Sharon Nagle, Bold Polisner Maddow Nelson & Judson, Walnut Creek, California; Jolie-Anne S. Ansley and Thomas M. Berliner, Duane Morris LLP, San Francisco, California; Moses Diaz, Public Interest Law Firm APC, Visalia, California; Zishan Lokhandwala, Romaine Lokhandwala Law Group, Seattle, Washington; Mario U. Zamora, Megan N. Crouch, and Sebastian L. Silveira, Griswold LaSalle Cobb Dowd & Gin LLP, Hanford, California; Neal E. Costanzo, Costanzo & Associates, Fresno, California; Kyle R. Roberson, Attorney, County of Fresno, Fresno, 8 CTR. FOR BIOLOGICAL DIVERSITY V. BUREAU OF RECLAMATION

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