Consejo De Desarrollo Economico De Mexicali, A.C. Citizens United for Resources and the Environment, and Desert Citizens Against Pollution, State of California Band of Mission Indians, Intervenors v. United States of America Dirk Kempthorne, Secretary of the Department of the Interior Robert W. Johnson, Commissioner, Bureau of Reclamation United States of America, Imperial Irrigation District San Diego County Water Authority Central Arizona Water Conservation District State of Nevada Southern Nevada Water Authority State of Arizona Metropolitan Water District of Southern California and the Western Urban Water Coalition, Defendant-Intervenors-Appellees v. City of Calexico, Plaintiff-Intervenor. Consejo De Desarrollo Economico De Mexicali, A.C. Citizens United for Resources and the Environment, State of California Band of Mission Indians, Intervenors, and Desert Citizens Against Pollution v. United States of America Dirk Kempthorne, Secretary of the Department of the Interior Robert W. Johnson, Commissioner, Bureau of Reclamation United States of America Dirk Kempthorne, Secretary William E. Rinne, Acting Commissioner, State of Arizona Metropolitan Water District of Southern California and the Western Urban Water Coalition Colorado River Commission of Nevada, Defendant-Intervenors-Appellees, and Imperial Irrigation District San Diego County Water Authority Central Arizona Water Conservation District State of Nevada Southern Nevada Water Authority Colorado River Commission of Nevada, Defendant-Intervenors v. City of Calexico, Plaintiff-Intervenor. Consejo De Desarrollo Economico De Mexicali, A.C. Citizens United for Resources and the Environment Desert Citizens Against Pollution, State of California Band of Mission Indians, Intervenors v. United States of America Dirk Kempthorne, Secretary of the Department of the Interior Robert W. Johnson, Commissioner, Bureau of Reclamation United States of America Dirk Kempthorne, Secretary William E. Rinne, Acting Commissioner, and Imperial Irrigation District San Diego County Water Authority Central Arizona Water Conservation District State of Nevada Southern Nevada Water Authority State of Arizona Metropolitan Water District of Southern California and the Western Urban Water Coalition Colorado River Commission of Nevada Colorado River Commission of Nevada, Defendant-Intervenors v. City of Calexico, Plaintiff-Intervenor-Appellant