Steve Wyant releases a brown trout he caught in the Yampa River in March just below Stagecoach Reservoir. (Photo by Dylan Anderson) With multiple area agricultural reservoirs at extreme lows and some predicted to drop to only streams running through reservoir basins by fall, some fish populations could be threatened during this time of drought. “If reservoir levels get very low, fish survival may come into question, and fish loss could occur,” said Colorado Parks and Wildlife aquatic biologist Bill Atkinson. Fish in agricultural reservoirs may escape downstream through outlets as water levels drop, and fish may survive in lower-level waters remaining in reservoirs, Atkinson said.