Colorado River Water Use Since 1906
(values in acre-feet)
UPPER LOWER
CY BASIN BASIN ARIZONA CALIF. NEVADA MEXICO
1906 1157000 --- --- --- --- 19482300
1907 1399001 --- --- --- --- 25503900
1908 1093000 --- --- --- --- 13690600
1909 1568999 --- --- --- --- 25970400
1910 1279001 --- --- --- --- 14333600
1911 1405999 --- --- --- --- 17841000
1912 1639998 --- --- --- --- 18368300
1913 1479002 --- --- --- --- 11771500
1914 1887001 1711500 7296 1704204 0 20645600
1915 1528001 1791192 7296 1783896 0 14644900
1916 1876000 2019095 9395 2009700 0 23138600
1917 2145000 2097791 9395 2088396 0 20612000
1918 1714001 2402496 15996 2386500 0 13145500
1919 1605001 2352802 18502 2334300 0 10743800
1920 2212001 2515595 20399 2495196 0 21438300
1921 2301000 2143897 15301 2128596 0 19435200
1922 2004000 2484000 18600 2465400 0 17018500
1923 2008999 2859599 23496 2836103 0 17841600
1924 1720999 2867305 174408 2692897 0 11347400
1925 1693000 2888902 184101 2704801 0 12404700
1926 1844999 2851910 181501 2670409 0 12199600
1927 2030000 2994407 222804 2771603 0 17114900
1928 1957000 3061994 227401 2834593 0 12772600
1929 2205999 3245496 195204 3050292 0 17476400
1930 1816001 3382895 290495 3092400 0 10611300
1931 1380998 2875103 265296 2609807 0 4830000
1932 1958000 2797200 228793 2568407 0 14198000
1933 1611998 2911416 319608 2591808 0 8016200
1934 1244999 2137933 315013 1822920 0 2383830
1935 1638002 2826063 333508 2492555 0 4037600
1936 1831001 3388676 502732 2885944 0 3464800
1937 1843001 3513334 353683 3159651 0 3995400
1938 2105999 3300797 323388 2977409 0 4170600
1939 1684999 3311955 311329 3000626 0 6557100
1940 1519000 3369057 383995 2985062 0 5437500
1941 2097002 3182669 338439 2844230 0 11735700
1942 2097002 3102119 279962 2819685 2472 10484700
1943 1841000 3097652 337159 2743293 17200 7271800
1944 1934000 3250725 403876 2834049 12800 8612600
1945 1866000 3393476 498515 2888661 6300 6462300
1946 1680999 3672767 500050 3167417 5300 3804220
1947 1957000 3777844 513200 3258444 6200 4243420
1948 1926001 3874713 517248 3352589 4876 6260600
1949 2017000 4172985 524129 3644345 4511 6565100
1950 1837000 4635660 589175 4040767 5718 4456300
1951 1816001 4940634 609188 4324682 6764 3639200
1952 2348001 5183069 779392 4395144 8533 10145500
1953 1906999 5476325 862951 4602321 11053 5223700
1954 1842001 5565277 960839 4587303 17135 4346500
1955 1922000 5506637 951239 4537651 17747 3058500
1956 1993000 5616254 972279 4622275 21700 1637630
1957 2481999 5452712 939048 4495640 18024 2853290
1958 2233000 5425948 1006721 4401444 17783 5908400
1959 1917999 5777912 1072398 4689012 16502 3050800
1960 2060000 6102348 1099502 4983885 18961 2337620
1961 1796999 6198165 980442 5200747 16976 1671820
1962 2391001 6225995 991644 5212989 21362 1810570
1963 1876000 6277630 1025205 5227934 24491 1833750
1964 2077999 6217206 1127176 5064733 25297 1501790
1965 2596002 5931234 1008531 4899987 22716 1687661
1966 2568000 6196623 1073055 5096912 26656 1656147
1967 2663002 6020818 1106894 4886734 27190 1558977
1968 2613000 6261687 1155540 5072533 33614 1562737
1969 2600001 6072004 1138085 4896527 37392 1565784
1970 2624999 6254767 1201441 5015018 38308 1583186
1971 2954000 6563816 1296930 5216300 50586 1561622
1972 3023000 6514729 1203043 5230635 81051 1612538
1973 2901000 6678940 1268744 5317547 92649 1506013
1974 3223000 6834560 1325631 5414040 94889 1506173
1975 2999000 6413848 1358003 4983705 72140 1512844
1976 2919799 6027806 1248020 4706594 73192 1568829
1977 2445999 6401791 1231274 5097343 73174 1572082
1978 3309099 5809575 1234942 4503340 71293 1544997
1979 3265400 5999350 1150853 4788423 60074 3167423
1980 3219700 5987890 1169657 4725496 92737 7195198
1981 3449000 6321816 1415850 4795949 110017 2042472
1982 3508000 5642509 1240384 4299799 102326 1549318
1983 3304000 5393810 1062169 4245045 86596 14189656
1984 3248000 5900994 1122399 4677103 101492 15493017
1985 3504000 6074666 1194208 4778749 101709 11811298
1986 3424000 6272823 1356930 4803676 112217 10794077
1987 3520000 6734996 1734172 4891961 108863 4646483
1988 3951000 7091836 1922737 5039679 129420 2330711
1989 4046000 7530327 2229697 5144417 156213 1589608
1990 3804000 7657200 2260272 5219457 178111 1542000
1991 3871000 7050179 1864360 5005595 180224 1520873
1992 4022000 6629800 1906071 4546192 177541 1580732
1993 3732000 7286114 2246695 4835017 204402 5192772
1994 4245000 7614040 2152410 5234088 227542 1525520
1995 3364000 7364265 2221346 4925480 217439 1712324
1996 3759000 8286874 2714754 5322852 249248 1505334
1997 3633000 8346782 2853886 5250119 242777 2872457
1998 3702000 7857238 2566707 5045228 245303 4718441
1999 3538000 8213470 2728026 5194380 291130 2894105
2000 3953000 8286953 2802758 5162211 321984 2037138
2001 4166000 8411175 2841028 5254718 315429 1700577
2002 3743000 8661557 2969230 5365609 326718 1623163
2003 3813000 7537737 2830599 4408746 298392 1561855
2004 3538000 7383836 2784645 4316185 283006 1593142
2005 3618000 7142066 2428469 4344258 291778 1616342
2006 ******* 7416892 2809571 4314457 292864 1536232
*NOTE:
-Upper Basin values for 1906-1970 provided by the Colorado River Board
of California.
-Upper Basin values for 1971-1995 from Bureau of Reclamation Revised
Upper Colorado River Consumptive Uses and Losses Reports.
-Upper Basin values for 1996-2000 from Bureau of Reclamation Colorado
River Consumptive Uses and Losses Report: 1996-2000
-Upper Basin values for 2001-2005 from Colorado River Consumptive Uses
and Losses Report: (Provisional) 2001-2005. Reports available at:
http://www.usbr.gov/uc/library/envdocs/reports/crs/crsul.html
-Lower Basin uses prior to 1914 unavailable.
-Lower Basin uses 1914-1963 provided by each user i.e., agricultural
District, MWD, and others.
-Lower Basin uses after 1963 from Reclamation Article V Records and
are not reduced for unmeasured return flow credits.
Contact: bcoowaterops@usbr.gov
Updated: March 2008