Standards apply to many waters within the Southern Ute Indian Reservation including portions of the La Plata, Animas, Florida, Los Pinos (or Pine), Piedra, San Juan and Navajo Rivers and portions of t …Standards apply to many waters within the Southern Ute Indian Reservation including portions of the La Plata, Animas, Florida, Los Pinos (or Pine), Piedra, San Juan and Navajo Rivers and portions of t …