Plaintiff - Appellee:
Catskill Mountains Chapter of Trout Unlimited, Inc., Theodore Gordon Flyfishers, Inc., Catskill-Deleware Natural Water Alliance, Inc.
State of Texas, State of Alaska, State of Idaho
Defendant - Appellant:
Stephen L. Johnson, in his official capacity as Administrator of the United States Environmental Protection Agency, South Florida Water Management District
Defendant - Appellant-Cross-Appellee:
States of Colorado, New Mexico, et al., Central Arizona Water Conservation District, City and County of San Francisco Public Utilities Commission