From the U.S. Bureau of Reclamation via the Cortez Journal:
Jackson Gulch reservoir live content stood at 6,020 acre-feet with a 9,948 acre-feet maximum capacity and a 9,014 acre-feet average (1981-2010) end-of-month content. At Jackson Gulch, a daily maximum/minimum of 76/51 cubic-feet-per second was released into the Mancos River, and 88 acre-feet were released for municipal purposes.
McPhee Reservoir live content stood at 299,646 acre-feet, with a 381,051 acre-feet maximum capacity and a 343,394 average (1981-2010) end-of-month content. At McPhee, 4,120 acre-feet were released into the Dolores River, and 45,079 acre-feet were released for trans-basin purposes. At McPhee, a daily maximum/minimum of 70/57 cubic-feet-per-second was released into the Dolores River.
Questions can be directed to the Southern Water Management Group, Resource Management Division of the Western Colorado Area Office, Durango.