STANDING ROCK SIOUX v. U.S. ARMY CORPS OF ENG'RS

No. 20-5197 Consolidated with 20-5201.

985 F.3d 1032 (2021)

STANDING ROCK SIOUX TRIBE, et al., Appellees v. UNITED STATES ARMY CORPS OF ENGINEERS, Appellant Dakota Access LLC, Intervenor.

United States Court of Appeals, District of Columbia Circuit.

Decided January 26, 2021.


Attorney(s) appearing for the Case

James A. Maysonett , Attorney, U.S. Department of Justice, Washington, DC, argued the cause for appellant United States Army Corps of Engineers. With him on the briefs were Jeffrey Bossert Clark , Assistant Attorney General, Jonathan D. Brightbill , Principal Deputy Assistant Attorney General, Eric A. Grant , Deputy Assistant Attorney General, and Andrew C. Mergen and Erica M. Zilioli , Attorneys, Washington, DC.

Miguel A. Estrada , Washington, DC, argued the cause for appellant Dakota Access LLC. With him on the briefs were William S. Scherman and David J. Debold , Washington, DC.

Wayne K. Stenehjem , Attorney General, Office of the Attorney General for the State of North Dakota, and Matthew A. Sagsveen , Solicitor General, were on the brief for amicus curiae the State of North Dakota.

Tim Fox , Attorney General, Office of the Attorney General for the State of Montana, Curtis T. Hill, Jr. , Attorney General, Office of the Attorney General for the State of Indiana, Thomas M. Fisher , Solicitor General, Tom Miller , Attorney General, Office of the Attorney General for the State of Iowa, Derek Schmidt , Attorney General, Office of the Attorney General for the State of Kansas, Daniel Cameron , Attorney General, Office of the Attorney General for the Commonwealth of Kentucky, Jeff Landry , Attorney General, Office of the Attorney General for the State of Louisiana, Doug Peterson , Attorney General, Office of the Attorney General for the State of Nebraska, Dave Yost , Attorney General, Office of the Attorney General for the State of Ohio, Jason Ravnsborg , Attorney General, Office of the Attorney General for the State of South Dakota, Patrick Morrisey , Attorney General, Office of the Attorney General for the State of West Virginia, and Bridget Hall , Attorney General, Office of the Attorney General for the State of Wyoming, were on the brief for amici curiae the States of Indiana, Montana, and 9 other states in support of appellants.

David H. Coburn , Joshua H. Runyan , Richard S. Moskowitz , Tyler J. Kubik , Stephen J. Obermeier , Wesley E. Weeks , John P. Wagner , Steven M. Kramer , Steven P. Lehotsky , Washington, DC, and Michael B. Schon , were on the brief for amici curiae American Fuel & Petrochemical Manufacturers, et al. in support of appellants.

Jared R. Wigginton and Kent Mayo , Washington, DC, were on the brief for amici curiae North Dakota Farm Bureau, et al.

Christopher O. Murray , Santa Barbara, CA, was on the brief for amicus curiae for appellant North Dakota Water Users Association in support of appellants.

Jan Hasselman , Seattle, WA, argued the cause for appellees Standing Rock Sioux Tribe, et al. With him on the brief were Patti A. Goldman , Seattle, WA, Nicole E. Ducheneaux , Omaha, NE, Jennifer S. Baker , Birmingham, AL, Rollie E. Wilson , Washington, DC, Jeffrey Rasmussen , Michael L. Roy , Jennifer P. Hughes , and Elliott A. Milhollin , Washington, DC. Jeremy J. Patterson , Louisville, CO, entered an appearance.

Joel West Williams was on the brief for amici curiae the Great Plains Tribal Chairmen's Association, et al. in support of appellees.

Maura Healey , Attorney General, Office of the Attorney General for the Commonwealth of Massachusetts, Seth G. Schofield , Senior Appellate Counsel, Xavier Becerra , Attorney General, Office of the Attorney General for the State of California, Jamie B. Jefferson and Joshua R. Purtle , Deputy Attorneys General, Kathleen Jennings , Attorney General, Office of the Attorney General for the State of Delaware, Christian Douglas Wright , Director of Impact Ligitation, Aaron M. Frey , Attorney General, Office of the Attorney General for the State of Maine, William Tong , Attorney General, Office of the Attorney General for the State of Connecticut, Clare Kindall , Solicitor General, Kwame Raoul , Attorney General, Office of the Attorney General for the State of Illinois, Brian E. Frosh , Attorney General, Office of the Attorney General for the State of Maryland, Dana Nessel , Attorney General, Office of the Attorney General for the State of Michigan, Elizabeth Morrisseau , Assistant Attorney General, Gurbir S. Grewal , Attorney General, Office of the Attorney General for the State of New Jersey, Letitia James , Attorney General, Office of the Attorney General for the State of New York, Aaron Ford , Attorney General, Office of the Attorney General for the State of Nevada, Hector Balderas , Attorney General, Office of the Attorney General for the State of New Mexico, Ellen Rosenblum , Attorney General, Office of the Attorney General for the State of Oregon, Paul Garrahan , Attorney-in-Charge, Steven Novick , Special Assistant Attorney General, Peter F. Neronha , Attorney General, Office of the Attorney General for the State of Rhode Island, Tricia K. Jedele , Special Assistant Attorney General, Robert W. Ferguson , Attorney General, Office of the Attorney General for the State of Washington, Noah Guzzo Purcell , Solicitor General, Leevin T. Camacho , Attorney General, Office of the Attorney General for the Territory of Guam, Thomas J. Donovan, Jr. , Attorney General, Office of the Attorney General for the State of Vermont, Nicholas F. Persampieri , Assistant Attorney General, Karl A. Racine , Attorney General, Office of the Attorney General for the District of Columbia, Loren L. AliKhan , Solicitor General, Jacqueline R. Bechara , Appellant Litigation Fellow, and Sarah Utley , Houston, TX, were on the brief for amici curiae States of Massachusetts, et al. in support of appellees.

Douglas P. Hayes was on the brief for amici curiae Sierra Club, et al. in support of appellees.

Kenneth Rumelt and James G. Murphy were on the brief for amicus curiae Members of Congress in support of appellees.

Mary Kathryn Nagle , Washington, DC, was on the brief for amicus curiae National Indigenous Women's Resource Center, Inc. in support of appellees.

Before: Tatel and Millett, Circuit Judges, and Sentelle, Senior Circuit Judge.


Lake Oahe, created when the United States Army Corps of Engineers flooded thousands of acres of Sioux lands in the Dakotas by constructing the Oahe Dam on the Missouri River, provides several successor tribes of the Great Sioux Nation with water for drinking, industry, and sacred...

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