The Durango Herald
January 31, 2010, Joe Hanel

Its answer: It depends. But it's probably less water than the state needs. At the bottom line, the Colorado River Water Availability Study projected somewhere between zero and 900,000 acre-feet a year left for Colorado. ...

http://durangoherald.com/sections/News/2010/01/31/New_analysis_examines_state_water_needs/