FromFrom the Cortez Journal:
Jackson Gulch reservoir live content stood at 5,496 acre-feet with a 9,977 acre-feet maximum capacity and a 5,008 acre-feet average (1971-2000) end of month content. At Jackson Gulch, no water was released into the Mancos River, and monthly total volume of 10 acre-feet were released for municipal purposes.
McPhee Reservoir live content stood at 273,370 acre-feet, with a 381,051 acre-feet maximum capacity and a 305,506 acre-feet average (1986-2000) end-of-month content. At McPhee, 1,807 acre-feet were released into the Dolores River, and 740 acre-feet were released for transbasin purposes. At McPhee, a daily maximum/minimum of 30/34 cubic-feet-per-second was released into the Dolores River.
More San Juan River basin coverage here.