Other Dams
8,898 dams in the US serve this purpose.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Wallace Jessie M Canadian | Low Hazard | 32 ft | 1965 | Earth | Oklahoma |
| Wallace Pond Dam Marlboro | Low Hazard | 12 ft | 1870 | — | South Carolina |
| Wallace Ryals Lake Dam Randolph | Low Hazard | 25 ft | — | Earth | Missouri |
| Walla Walla Effluent Storage Lagoon Walla Walla | Significant Hazard | — | 2008 | Earth | Washington |
| Wallbrook Dam Wake | High Hazard | — | — | Other | North Carolina |
| Walling Subwatershed Sta 99+70 #1 Woodbury | Low Hazard | 40 ft | 1953 | Earth | Iowa |
| Wallisville Lock and Dam Chambers | Significant Hazard | 16 ft | 2000 | Earth | Texas |
| Wall Lagoon Upper Dam Richmond | Low Hazard | — | — | Earth | North Carolina |
| Wallman Dairy Lagoon Dam Jefferson | Low Hazard | 23 ft | 1999 | Earth | Nebraska |
| Walnut Creek Duck Marsh Dam Ringgold | Low Hazard | 8 ft | 1959 | Earth | Iowa |
| Walter Pence Pond Dam Greene | Low Hazard | 30 ft | 1968 | Earth | Illinois |
| Walthall Lake Dam Hale | Low Hazard | — | 1970 | Earth | Alabama |
| Walton Allen Grady | Low Hazard | 30 ft | 1950 | Earth | Oklahoma |
| Walton Lake Dam Mitchell | Low Hazard | 11 ft | 1957 | Earth | Georgia |
| Walton Mill Franklin | Low Hazard | 20 ft | 1880 | Concrete | Maine |
| Waltonville Manufacturing Lake Dam Jefferson | Low Hazard | 20 ft | 1952 | Earth | Illinois |
| Wamsley Lake Dam Knox | Low Hazard | 20 ft | — | Earth | Missouri |
| Wamsutter Wastewater Sweetwater | Low Hazard | 8 ft | 1979 | Earth | Wyoming |
| Wanskuck Pond Providence | Low Hazard | 14 ft | 1882 | — | Rhode Island |
| Ward Business Park Dam Polk | Significant Hazard | 17 ft | 2001 | Earth | Iowa |
| Warden Wc Jr Johnston | Low Hazard | 20 ft | 1958 | Earth | Oklahoma |
| Ward Lake Tulsa | Low Hazard | 25 ft | 1960 | Earth | Oklahoma |
| Ward Ranch Pittsburg | Low Hazard | 23 ft | 1970 | Earth | Oklahoma |
| Ware Dam Halifax | Unknown | 28 ft | — | Earth | Virginia |
| Wares Iona Woods | Unknown | 25 ft | 1984 | Earth | Oklahoma |
| Warner Borum Warner Muskogee | Low Hazard | 15 ft | 1936 | Earth | Oklahoma |
| Warner Buddy Noble | Low Hazard | 30 ft | 1983 | Earth | Oklahoma |
| Warner Ws Muskogee | Low Hazard | 15 ft | 1930 | Earth | Oklahoma |
| Warren Bippert Pond Dam Erie | Low Hazard | 13 ft | 1960 | Earth | New York |
| Warren Clark Pond 1 Pawnee | Low Hazard | 27 ft | 2005 | Earth | Oklahoma |
| Warren Gandy Marengo | Low Hazard | 19 ft | 1992 | Earth | Alabama |
| Warren South Oxidation Pond Dam Warren | Low Hazard | 13 ft | 1969 | Earth | Georgia |
| Warsaw Biogas Lined Process Holding Pond Dam Duplin | High Hazard | — | — | Other | North Carolina |
| Washakie Reservoir Saguache | Low Hazard | — | 1968 | Gravity | Colorado |
| Washing & Recirculating Reservoir Dam Warrick | Low Hazard | 34 ft | 1958 | Earth | Indiana |
| Washington Pond Upper Kent | Low Hazard | 12 ft | 1875 | Rockfill | Rhode Island |
| Washington Street Dam Middlesex | Significant Hazard | 16 ft | 1956 | Masonry | Massachusetts |
| Washington Township #5 Dam Grundy | Low Hazard | 31 ft | 1983 | — | Missouri |
| Waste Disposal Dam # 1 Ben Hill | Low Hazard | 10 ft | 1959 | Earth | Georgia |
| Waste Disposal Pond Dam # 2 Ben Hill | Low Hazard | 9 ft | — | Earth | Georgia |
| Waste Disposal Pond Dam #3 Ben Hill | Low Hazard | 14 ft | 1961 | Earth | Georgia |
| Waste Stabilization Pond Dam # 1 Jeff Davis | Low Hazard | 26 ft | — | Earth | Georgia |
| Waste Stabilization Pond Dam # 2 Jeff Davis | Low Hazard | 15 ft | — | Earth | Georgia |
| Waste Storage Pond 3 Neosho | Low Hazard | 19 ft | 2013 | Earth | Kansas |
| Waste Storage Pond 4 Lane | Low Hazard | 27 ft | 2008 | Earth | Kansas |
| Wastewater Lagoon Washington | Low Hazard | 36 ft | 1992 | Earth | Kansas |
| Wastewater Storage Placer | Low Hazard | 75 ft | 1978 | Earth | California |
| Wastewater Treatment Chester | Significant Hazard | 45 ft | 1985 | Earth | Pennsylvania |
| Wastewater Treatment Pond Dam # 1a Richmond | Low Hazard | 14 ft | 1960 | Earth | Georgia |
| Wastewater Treatment Pond Dam # 1b Richmond | Low Hazard | 19 ft | 1960 | Earth | Georgia |