Browse All Dams
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| 301 Woodson | Low Hazard | 12 ft | 1972 | Earth | Kansas |
| 302 Woodson | Low Hazard | 20 ft | — | — | Kansas |
| 303 Woodson | Low Hazard | 16 ft | 1972 | Earth | Kansas |
| 304 Woodson | Low Hazard | 13 ft | 1970 | Earth | Kansas |
| 30-Acre Pond Russell | Unknown | 300 ft | — | Earth | Virginia |
| 30 Acre Pond Dam Russell | Unknown | 27 ft | — | — | Virginia |
| 30 Foot Dam Tompkins | High Hazard | 36 ft | 1903 | Arch | New York |
| 30 Mg Central Reservoir Orange | High Hazard | 30 ft | 1924 | Earth | California |
| 30th Street Detention Basin Ward | Significant Hazard | 25 ft | — | Earth | North Dakota |
| 32-3182 Sheridan | Low Hazard | 32 ft | 2003 | Earth | Wyoming |
| 32acre Cooling Pond Hillsborough | Low Hazard | 11 ft | 1960 | Earth | Florida |
| 36601 Jim Owings Dam Jackson | High Hazard | 26 ft | — | — | Missouri |
| 369 Avenue County Road Dam Hayes | Low Hazard | 16 ft | 1980 | Earth | Nebraska |
| 380 Town Centre Dam Collin | High Hazard | 28 ft | — | — | Texas |
| 3 Amigos Reservoir Chelan | High Hazard | — | 2003 | Earth | Washington |
| 3 Elk Dam Chaffee | Low Hazard | 26 ft | 1973 | Earth | Colorado |
| 3e'S LLC Dam Bedford | Unknown | 28 ft | — | Earth | Virginia |
| 3h Lake Dam Panola | Low Hazard | 19 ft | 1948 | Earth | Texas |
| 3j Lake Dam Clay | Low Hazard | 28 ft | 1976 | Earth | Arkansas |
| 3 Sisters Lake Dam Wilkes | Low Hazard | 28 ft | — | Earth | Georgia |
| #3 Slurry Pond Anson | High Hazard | 30 ft | — | Earth | North Carolina |
| 3 West Graham | Low Hazard | 307 ft | — | Earth | Arizona |
| 40 Acre Lake Dam Fort Bend | Low Hazard | 7 ft | 1960 | Earth | Texas |
| 40th Place Dam Forrest | High Hazard | 27 ft | 1995 | Earth | Mississippi |
| 40th Street Dentention Basin Pueblo | Significant Hazard | 21 ft | 1998 | Earth | Colorado |
| 43-3-5375 Campbell | Low Hazard | 32 ft | 1981 | Earth | Wyoming |
| 4-B Farms Marion | Low Hazard | 17 ft | — | — | Oregon |
| 4b Farms Dam Comanche | Low Hazard | 31 ft | 1971 | Earth | Texas |
| 4d Lake Dam Paulding | Low Hazard | 22 ft | 1958 | Earth | Georgia |
| 4-H Lake Dam Pulaski | Low Hazard | 18 ft | 1979 | Earth | Arkansas |
| 4-J Farms Lower Lake Dam Crawford | High Hazard | 20 ft | 1974 | Earth | Georgia |
| 4-J Farms (Upper) Lake Dam Crawford | Low Hazard | 23 ft | 1974 | Earth | Georgia |
| 4-S Farms Lagoon Dam Jefferson | Low Hazard | 25 ft | 1995 | Earth | Nebraska |
| 4-S Ranch Reclamation Reservoir San Diego | High Hazard | 22 ft | 2000 | Earth | California |
| 4th Avenue Storm Detention Dam Buffalo | High Hazard | 19 ft | 1989 | Earth | Nebraska |
| 4th July Tank Dam Zavala | Low Hazard | 10 ft | 1973 | Earth | Texas |
| 4 West Graham | High Hazard | 226 ft | — | Earth | Arizona |
| 4-W Farm Lake Jackson | Low Hazard | 24 ft | — | Earth | Georgia |
| 4 X Sheridan | Low Hazard | 25 ft | 1969 | Earth | Wyoming |
| 50 Acre Pond Lake Dam Berrien | Low Hazard | 17 ft | — | Earth | Georgia |
| 5-C Impoundment Washington | High Hazard | 44 ft | — | Earth | Georgia |
| #5 Dam Big Horn | Low Hazard | 36 ft | 1980 | Earth | Montana |
| 5l Ranch Pond Vernon | Low Hazard | 14 ft | — | Earth | Louisiana |
| #6 Monterey | High Hazard | 68 ft | — | Earth | California |
| #6 Blaine | Low Hazard | 20 ft | 1938 | Earth | Montana |
| 60 Foot Dam Tompkins | High Hazard | 75 ft | 1911 | Arch | New York |
| 60th Street Stormwater Detention Dam Snohomish | Significant Hazard | — | 1988 | Earth | Washington |
| 6301 Grasshopper Road Dam Wake | High Hazard | — | — | Earth | North Carolina |
| 650 B. Whitfield Road Lake Dam Jackson | Low Hazard | 26 ft | — | — | Georgia |
| 650 Caribou Road Dam Buncombe | High Hazard | — | — | Other | North Carolina |