한강권역 서울특별시 용수이용량(유효우량 포함)
(단위 : 천㎥/년)
| 년도 | 계 | 생활용수 | 공업용수 | 농업용수 |
| 2008 | 1,267,909.6 | 1,209,030.0 | 42,583.0 | 16,296.6 |
| 2007 | 1,294,042.5 | 1,221,306.5 | 47,846.3 | 24,889.7 |
| 2006 | 1,312,215.0 | 1,246,887.4 | 49,071.6 | 16,256.0 |
| 2005 | 1,376,102.9 | 1,309,186.6 | 49,827.3 | 17,089.0 |
| 2004 | 1,405,917.0 | 1,337,512.0 | 49,944.1 | 18,460.9 |
| 2003 | 1,434,359.0 | 1,367,071.8 | 49,664.2 | 17,623.0 |
| 2002 | 1,488,641.1 | 1,418,946.7 | 50,164.3 | 19,530.1 |
| 2001 | 1,588,078.4 | 1,511,796.1 | 52,750.2 | 23,532.1 |
| 2000 | 1,633,531.1 | 1,556,407.1 | 53,690.6 | 23,433.4 |
| 1999 | 1,699,896.5 | 1,623,231.5 | 52,413.3 | 24,251.7 |
| 1998 | 1,783,735.0 | 1,706,345.4 | 53,326.8 | 24,062.8 |
| 1997 | 1,904,692.6 | 1,822,165.4 | 56,682.2 | 25,845.0 |
| 1996 | 1,945,047.1 | 1,862,770.9 | 58,093.9 | 24,182.3 |
| 1995 | 1,926,354.7 | 1,844,748.3 | 56,823.4 | 24,783.0 |
| 1994 | 1,978,264.6 | 1,895,393.9 | 55,582.5 | 27,288.2 |
| 1993 | 1,938,438.5 | 1,856,567.0 | 55,836.0 | 26,035.5 |
| 1992 | 1,933,204.5 | 1,847,733.7 | 56,853.3 | 28,617.5 |
| 1991 | 1,904,821.4 | 1,816,612.6 | 57,959.6 | 30,249.2 |
| 1990 | 1,874,272.0 | 1,785,679.4 | 58,422.3 | 30,170.3 |
| 1989 | 1,747,347.2 | 1,653,612.5 | 58,754.8 | 34,979.9 |
| 1988 | 1,657,217.6 | 1,559,323.9 | 60,207.6 | 37,686.1 |
| 1987 | 1,545,345.6 | 1,449,237.2 | 61,624.3 | 34,484.1 |
| 1986 | 1,478,239.9 | 1,382,264.5 | 61,471.7 | 34,503.7 |
| 1985 | 1,356,793.5 | 1,259,370.5 | 60,603.9 | 36,819.1 |
| 1984 | 1,371,793.2 | 1,272,354.9 | 61,589.9 | 37,848.4 |
| 1983 | 1,285,854.4 | 1,186,245.9 | 61,009.5 | 38,599.0 |
| 1982 | 1,246,472.0 | 1,130,711.7 | 60,799.7 | 54,960.6 |
| 1981 | 1,182,651.4 | 1,062,762.3 | 61,289.8 | 58,599.3 |
| 1980 | 1,104,772.9 | 987,597.5 | 61,447.1 | 55,728.3 |
| 1979 | 1,015,075.5 | 890,082.8 | 63,120.4 | 61,872.3 |
| 1978 | 1,009,462.5 | 873,768.8 | 67,781.2 | 67,912.5 |
| 1977 | 841,588.7 | 695,564.0 | 68,131.3 | 77,893.4 |
| 1976 | 821,614.1 | 677,220.7 | 68,422.2 | 75,971.2 |
| 1975 | 815,368.0 | 673,073.0 | 63,545.3 | 78,749.7 |
| 1974 | 643,065.4 | 500,248.1 | 62,870.7 | 79,946.6 |
| 1973 | 589,878.3 | 440,339.0 | 61,046.6 | 88,492.7 |
| 1972 | 572,118.7 | 422,011.1 | 59,195.2 | 90,912.4 |
| 1971 | 553,865.5 | 408,824.0 | 56,997.2 | 88,044.3 |
| 1970 | 512,571.0 | 350,031.6 | 55,522.0 | 107,017.4 |
| 1969 | 478,751.3 | 292,907.4 | 53,740.3 | 132,103.6 |
| 1968 | 442,162.3 | 240,240.2 | 52,091.8 | 149,830.3 |
| 1967 | 404,979.9 | 198,215.0 | 50,447.5 | 156,317.4 |
| 1966 | 379,863.5 | 170,756.0 | 48,801.8 | 160,305.7 |
| 1965 | 358,968.6 | 139,629.3 | 47,148.5 | 172,190.8 |
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