Central Arizona Water Conservation District v. United States Environmental Protection Agency

990 F.2d 1531 36 ERC 1177 , 61 USLW 2627 , 143 P.U.R.4th 110, 23 Envtl. L. Rep. 20 ,678 CENTRAL ARIZONA WATER CONSERVATION DISTRICT, Central Arizona Irrigation and Drainage District, Maricopa-Stanfield Irrigation & Drainage District, New Magma Irrigation & Drainage District, and Harquahala Valley Irrigation District, Petitioners, v. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY, Respondent, Salt River Project and Power District, Grand Canyon Trust, and the Wilderness Society, Respondents-Intervenors. No. 91-70731. United States Court of Appeals, Ninth Circuit. Argued and Submitted Jan. 13, 1993. Decided March 25, 1993. Marvin S. Cohen, Sacks, Tierney & Kasen, Leslie A. McCarthy (on brief), Phoenix, AZ, for petitioners. Scott A. Schachter, U.S. Dept. of Justice, Vicki L. Patton, U.S. E.P.A., Washington, DC, for respondent. Patrick M. Raher, Hogan & Hartson, Washington, DC, for respondents-intervenors. Beryl I. Dulsky, Asst. Atty. Gen., Phoenix, AZ, for amicus curiae. Appeal from the United States Environmental Protection Agency. Before: ALDISERT, * GOODWIN, and FLETCHER, Circuit Judges. GOODWIN, Circuit Judge: 1 Petitioners Central Arizona Water Conservation…