Irrigation Dams
9,419 dams in the US serve this purpose.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Wenger Lease Dam Keya Paha | Low Hazard | 27 ft | 1981 | Earth | Nebraska |
| Wenger Pdam Nemaha | Low Hazard | 30 ft | — | Earth | Kansas |
| Werdel East Dam Hand | Low Hazard | 28 ft | 2008 | Earth | South Dakota |
| Werdel West Dam Hand | Low Hazard | 40 ft | 2008 | Earth | South Dakota |
| Werges Lake Dam Montgomery | Low Hazard | 22 ft | 1968 | Earth | Missouri |
| Werner Converse | Low Hazard | 22 ft | 1950 | Earth | Wyoming |
| Werner (Upper) Josephine | Low Hazard | 28 ft | 1973 | Earth | Oregon |
| Wesley Sheridan | Low Hazard | 20 ft | 1915 | Earth | Wyoming |
| Wesley #1 Prairie | Low Hazard | 25 ft | 1957 | Earth | Montana |
| Wesley #2 Prairie | Low Hazard | 25 ft | 1890 | Earth | Montana |
| Weson Valley | Low Hazard | 22 ft | 1951 | Earth | Montana |
| West #1 Delta | High Hazard | 49 ft | 1950 | Earth | Colorado |
| Westagard Dam Anderson | Low Hazard | 13 ft | — | Earth | Kansas |
| West Alkali Reservoir Phillips | Significant Hazard | 25 ft | 1902 | Earth | Montana |
| West Antelope 58-80-27-05 Sheridan | Low Hazard | 22 ft | 2006 | Earth | Wyoming |
| West Arapahoe Jackson | Low Hazard | 26 ft | 1951 | Earth | Colorado |
| West Bank Project Reservoir Franklin | High Hazard | — | 2003 | Earth | Washington |
| West Conroy Dam Lincoln | Low Hazard | 25 ft | 1941 | Earth | Nebraska |
| Westerdoll Lake Larimer | Low Hazard | 11 ft | 1900 | Earth | Colorado |
| Western Gas Resources No. 8 Johnson | Low Hazard | 50 ft | 2004 | Earth | Wyoming |
| West Fork Bitterroot (Painted Rocks) Ravalli | High Hazard | 143 ft | 1940 | Earth | Montana |
| Westham Gc Irrigation Lake Dam Chesterfield | Unknown | 18 ft | — | Earth | Virginia |
| Westhope Country Club Dam Bottineau | Low Hazard | 15 ft | 1989 | Earth | North Dakota |
| West King Dam Eastland | Low Hazard | 14 ft | 1965 | Earth | Texas |
| West Lake Boulder | Low Hazard | 10 ft | 2020 | Earth | Colorado |
| West Lake Dam Harnett | Low Hazard | — | 1954 | Earth | North Carolina |
| West Lake Dam Adair | Low Hazard | 25 ft | 1976 | Earth | Missouri |
| West Lake Dam Walton | Low Hazard | 38 ft | 1970 | Earth | Georgia |
| West Lake Dam Washington | Low Hazard | 32 ft | 1965 | Earth | Georgia |
| West Lake Dam Wayne | Low Hazard | — | 1950 | Earth | North Carolina |
| West Lake Dam Tyler | Significant Hazard | 24 ft | 1949 | Earth | Texas |
| Westlake Reservoir Los Angeles | High Hazard | 158 ft | 1972 | Earth | California |
| Westling Park | Low Hazard | 30 ft | 1954 | Earth | Montana |
| West Midway Canyon Dawson | Low Hazard | 38 ft | 1941 | Earth | Nebraska |
| West Miller Garfield | Low Hazard | 23 ft | 1906 | Earth | Colorado |
| Weston Sheridan | Significant Hazard | 18 ft | 1913 | Earth | Wyoming |
| Weston #1 Dam Wake | High Hazard | — | — | Earth | North Carolina |
| Weston #2 Dam Wake | High Hazard | — | — | Earth | North Carolina |
| Weston Brooker Jones | Low Hazard | 28 ft | 1968 | Earth | Georgia |
| Weston Lake Dam Barbour | Low Hazard | — | 1960 | Gravity | Alabama |
| West Phillips Gosper | Low Hazard | 43 ft | 1941 | Earth | Nebraska |
| West Point Regulating Calaveras | High Hazard | 36 ft | 1965 | Earth | California |
| West Side No. 1 Converse | Low Hazard | 20 ft | 1967 | Earth | Wyoming |
| West Side No. 4 Converse | Low Hazard | 23 ft | 1946 | Earth | Wyoming |
| West Snell Lincoln | Low Hazard | 37 ft | 1941 | Earth | Nebraska |
| West Stewart Rio Blanco | Low Hazard | 22 ft | 1895 | Earth | Colorado |
| West Temple Dam Halifax | Unknown | 25 ft | — | Earth | Virginia |
| West Valley Modoc | High Hazard | 65 ft | 1936 | Earth | California |
| Westwood Lake Dam Trinity | Low Hazard | 35 ft | 1960 | Earth | Texas |
| Wetlands Enhancement Cell 3 4 5 Dam Douglas | Low Hazard | 8 ft | — | Earth | Nevada |