Water Supply Dams
7,228 dams in the US serve this purpose.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Dam KS00092 Jewell | Low Hazard | 32 ft | 1951 | — | Kansas |
| Dam KS01338 Lyon | Low Hazard | 25 ft | 2004 | Rockfill | Kansas |
| Dam KS01455 Nemaha | Low Hazard | 30 ft | — | — | Kansas |
| Dam KS01961 Neosho | Low Hazard | 47 ft | 1965 | — | Kansas |
| Dam KS01975 Sherman | Low Hazard | 27 ft | — | Earth | Kansas |
| Dam KS02457 Brown | Low Hazard | 28 ft | 1933 | — | Kansas |
| Dam KS02461 Chautauqua | Low Hazard | 13 ft | 1954 | — | Kansas |
| Dam KS02469 Douglas | Low Hazard | 25 ft | 1937 | — | Kansas |
| Dam KS02476 Franklin | Low Hazard | 15 ft | 1955 | — | Kansas |
| Dam KS02493 Labette | Low Hazard | 13 ft | 1962 | — | Kansas |
| Dam KS02495 Linn | Low Hazard | 29 ft | 1959 | Earth | Kansas |
| Dam KS02507 Miami | Low Hazard | 34 ft | 1935 | — | Kansas |
| Dam KS02509 Montgomery | Low Hazard | 15 ft | 1945 | — | Kansas |
| Dam KS02515 Neosho | Low Hazard | 55 ft | 1960 | — | Kansas |
| Dam KS02521 Osborne | Low Hazard | 12 ft | 1950 | — | Kansas |
| Dam KS02532 Wabaunsee | Low Hazard | 80 ft | 1966 | — | Kansas |
| Dam KS02534 Washington | Low Hazard | 12 ft | 1958 | — | Kansas |
| Dam KS02536 Coffey | Low Hazard | 16 ft | 1961 | Earth | Kansas |
| Dam KS04078 Douglas | Low Hazard | 36 ft | — | Earth | Kansas |
| Dam KS05326 Ellis | Low Hazard | 18 ft | 1937 | Concrete | Kansas |
| Dam KS09132 Rawlins | Significant Hazard | 8 ft | 1987 | Earth | Kansas |
| Dam ND00980 Billings | Low Hazard | 12 ft | — | — | North Dakota |
| Dam ND01129 Dunn | Low Hazard | 9 ft | — | — | North Dakota |
| Dam ND01146 Williams | Unknown | 24 ft | — | — | North Dakota |
| Dam No 1 Fort Bend | Low Hazard | 10 ft | 1948 | Earth | Texas |
| Dam No 2 Fort Bend | Low Hazard | 11 ft | 1948 | Earth | Texas |
| Dam No 2-6 (Timber Hill Lake) Chautauqua | High Hazard | 59 ft | 1966 | Earth | Kansas |
| Dam No 3 Fort Bend | High Hazard | 16 ft | 1948 | Gravity | Texas |
| Dam No 7-8 Greenwood | Significant Hazard | 51 ft | 1970 | Earth | Kansas |
| Dandy Creek 11 Monroe | Low Hazard | 10 ft | 1935 | Gravity | Wisconsin |
| Dandy Creek 6 Monroe | Low Hazard | 10 ft | 1935 | Gravity | Wisconsin |
| Dan E. French Reservoir Dam Amherst | High Hazard | 45 ft | — | Earth | Virginia |
| Danforth Washington | Low Hazard | 16 ft | 1845 | Concrete | Maine |
| Danhauser Modoc | Low Hazard | 17 ft | 1890 | Earth | California |
| Dansville Reservoir Dam Steuben | High Hazard | 54 ft | 1937 | Earth | New York |
| Danville Contra Costa | High Hazard | 75 ft | 1961 | Earth | California |
| Darby Franklin | Significant Hazard | 27 ft | 1956 | Earth | Arkansas |
| Dardanelle Lock and Dam Pope | Significant Hazard | 71 ft | 1969 | Concrete | Arkansas |
| Davenport Lincoln | Low Hazard | 40 ft | 1955 | Earth | Oklahoma |
| Davenport Lake Dam Fisher | Low Hazard | 25 ft | 1940 | Earth | Texas |
| David Allen Dam Cape Girardeau | Low Hazard | 24 ft | 2005 | Earth | Missouri |
| David Downey Dam Union | Low Hazard | 34 ft | 2013 | Earth | Iowa |
| Davidson Mineral Properties Rockdale | Low Hazard | 29 ft | 1960 | Earth | Georgia |
| Davidsons Mill Pond Dam Middlesex | Significant Hazard | 10 ft | 1950 | Earth | New Jersey |
| Davis Napa | Significant Hazard | 42 ft | 1955 | Earth | California |
| Davis Creek Yolo | High Hazard | 105 ft | 1985 | Earth | California |
| Davis Creek Orchard Modoc | Low Hazard | 17 ft | 1975 | Earth | California |
| Davis Lake Dam Howard | Significant Hazard | 22 ft | 1956 | Earth | Arkansas |
| Davis Lake Dam Comanche | Low Hazard | 19 ft | 1968 | Earth | Texas |
| Davis Lake Dam Howard | Low Hazard | 30 ft | 1977 | Earth | Missouri |