Browse All Dams
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Arapahoe Lake Arapahoe | Significant Hazard | 20 ft | 1974 | Earth | Colorado |
| Arappco Dam Guilford | High Hazard | — | — | Earth | North Carolina |
| Ararat River Dam #17 Patrick | Low Hazard | 39 ft | — | Earth | Virginia |
| Ararat River Dam #2 Patrick | Unknown | 30 ft | — | Earth | Virginia |
| Ararat River Dam #28 Patrick | Unknown | 39 ft | — | Earth | Virginia |
| Ararat River Dam #32 Patrick | Unknown | 36 ft | — | Earth | Virginia |
| Ararat River Dam #63 Patrick | Unknown | 31 ft | — | Earth | Virginia |
| Ararat River Dam #64 Patrick | Low Hazard | 36 ft | — | Earth | Virginia |
| Ararat River Dam #69 Patrick | Low Hazard | 39 ft | — | Earth | Virginia |
| Ararat Rock Products Dam Surry | Low Hazard | — | — | Earth | North Carolina |
| Araujo Reservoir No. 1 Napa | High Hazard | 39 ft | 1950 | Earth | California |
| Araujo Reservoir No. 2 Napa | High Hazard | 33 ft | 1950 | Earth | California |
| Arberdeen Dam Isle of Wight | Unknown | 22 ft | — | Earth | Virginia |
| Arbor Dam 1 Tarrant | Low Hazard | 30 ft | 1982 | Concrete | Texas |
| Arbor Dam 2 Tarrant | Low Hazard | 32 ft | 1982 | Concrete | Texas |
| Arboretum of South Barrington Dam Cook | Low Hazard | 8 ft | — | Earth | Illinois |
| Arboretum Stormwater Detention Pond Dam Travis | High Hazard | 30 ft | 1985 | Concrete | Texas |
| Arboretum Townhouse Dam Forsyth | High Hazard | — | 2001 | Earth | North Carolina |
| Arbor Lake Dam Lancaster | Low Hazard | 9 ft | 2012 | Earth | Nebraska |
| Arbor Place Mall Storm Water Management Pond #1 Dam Douglas | Low Hazard | 22 ft | — | Earth | Georgia |
| Arbor Place Mall Stormwater Management Pond #2 Dam Douglas | Low Hazard | 30 ft | — | Earth | Georgia |
| Arbor Pond Dam Dutchess | Low Hazard | 27 ft | 1987 | Earth | New York |
| Arbor Ridge Dam Grimes | Low Hazard | 25 ft | — | Earth | Texas |
| Arbor Shores Lake Dam Coweta | Unknown | 27 ft | — | Earth | Georgia |
| Arbor Valley Lake Dam Clarke | High Hazard | 58 ft | 2008 | Earth | Iowa |
| Arbuckle Murray | High Hazard | 150 ft | 1965 | Earth | Oklahoma |
| Arbuckle #1 Carter | Low Hazard | 12 ft | 1940 | Earth | Montana |
| Arbuckle #2 Carter | Low Hazard | 12 ft | 1909 | Earth | Montana |
| Arbuckle Dike 1 Murray | High Hazard | 25 ft | 1966 | Gravity | Oklahoma |
| Arbuckle Dike 2 Murray | High Hazard | 15 ft | 1966 | Gravity | Oklahoma |
| Arbuckle Reservoir Dam Wharton | High Hazard | 41 ft | 2018 | — | Texas |
| Arbutus Pond Dam Essex | Low Hazard | 11 ft | 1940 | Concrete | New York |
| Arby Williams Dam Lincoln | Low Hazard | 23 ft | 1980 | Earth | Louisiana |
| Arcadia Shelby | High Hazard | — | 1965 | Earth | Tennessee |
| Arcadia Dam Oklahoma | High Hazard | 102 ft | 1986 | Earth | Oklahoma |
| Arcadia Lower Fremont | Low Hazard | 23 ft | 1912 | — | Idaho |
| Arcadia Upper Fremont | Low Hazard | 21 ft | 1912 | — | Idaho |
| Arcadia Woods Lake Dam Richland | High Hazard | 22 ft | 1937 | — | South Carolina |
| Arch Johnson | Low Hazard | 30 ft | 1949 | Earth | Wyoming |
| Archbold Dam Loudoun | Unknown | 27 ft | — | Earth | Virginia |
| Archbold Upground Reservoir No. 1 Fulton | High Hazard | 15 ft | 1957 | Earth | Ohio |
| Archbold Upground Reservoir No. 2 Fulton | High Hazard | 22 ft | 1961 | Earth | Ohio |
| Archer #2 Fergus | Low Hazard | 33 ft | 1964 | Earth | Montana |
| Archer City Lake Dam Archer | High Hazard | 24 ft | 1911 | Earth | Texas |
| Archer S Ltd. Dam Davis | Low Hazard | 27 ft | 1996 | Earth | Iowa |
| Archers Pond Dam Johnson | Low Hazard | 11 ft | 1940 | Earth | Georgia |
| Archer Vly Dam Saratoga | Low Hazard | 20 ft | — | Earth | New York |
| Archer Wetland Dam Appanoose | Low Hazard | 8 ft | 1999 | Earth | Iowa |
| Archie #1 Garfield | Low Hazard | 20 ft | 1959 | Earth | Montana |
| Archie Castle's Dam Wexford | Low Hazard | 8 ft | 1963 | Earth | Michigan |