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How Much Colorado River Water <br />is Colorado Currently Using? <br />Every five years the Secretary of the Interior publishes the <br />Colorado River System Consumptive Uses and Losses <br />. Thirty years of data are available; the latest report <br />Report <br />covers 1996 - 2000. <br />There are a lot of critics of the report. The CWCB and River <br />District staff believe it overstates Colorado irrigation uses <br />in certain years. <br />Other critics believe it understates Upper Basin irrigation <br />uses. HOWEVER, until revised (if ever) it is the official <br />record of the Secretary of the Interior. <br />Total Colorado Consumptive Use <br />Source: Consumptive Uses and Losses Report - USDOI <br />3000 <br />2500 <br />2000 <br />1500 <br />AF x 1000 <br />Annual Water Consumed <br />Linear (Annual Water Consumed) <br />1000 <br />500 <br />0 <br />Year <br />CO River Water Conservation District <br />www.crwcd.org 4 <br />1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 <br />