Browse All Dams
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Allen Lake Dam Tift | Low Hazard | 15 ft | 1966 | Earth | Georgia |
| Allen Lake Dam Howard | Low Hazard | 20 ft | 1967 | Earth | Texas |
| Allen Lake Dam Otsego | Low Hazard | 10 ft | 1940 | Earth | New York |
| Allen Lake Dam Upshur | Low Hazard | 16 ft | 1960 | Earth | Texas |
| Allen Mill Pond Dam Worcester | Significant Hazard | 18 ft | — | Masonry | Massachusetts |
| Allen No.1 Garvin | Low Hazard | 25 ft | 1977 | Earth | Oklahoma |
| Allen No. 1 Dam Perry | High Hazard | 59 ft | 1981 | Earth | Ohio |
| Allen No.2 Garvin | Low Hazard | 28 ft | 1977 | Earth | Oklahoma |
| Allen No. 2 Dam (Racetrack Dam) Perry | Low Hazard | 35 ft | 1983 | Earth | Ohio |
| Allen North Lake Dam Dimmit | Low Hazard | 11 ft | 1972 | Earth | Texas |
| Allen Park Dam Lower Wake | High Hazard | — | — | Earth | North Carolina |
| Allen Park Dam Upper Wake | High Hazard | — | — | Earth | North Carolina |
| Allen Pond Androscoggin | Low Hazard | 7 ft | 1850 | Concrete | Maine |
| Allen Pond Lamar | Low Hazard | 16 ft | 1981 | Earth | Alabama |
| Allen Pond Dam Litchfield | Significant Hazard | 15 ft | — | Concrete | Connecticut |
| Allen Pond Dam Otsego | Significant Hazard | 18 ft | 1917 | Other | New York |
| Allen Pond Dam Wayne | Low Hazard | 23 ft | 1965 | Earth | Illinois |
| Allen Pond (Nottinghill Drive) Prince George's | Low Hazard | 16 ft | 1972 | Earth | Maryland |
| Allen Reservoir PL-566 Flood Control Dam Norfolk | High Hazard | 21 ft | 1980 | Earth | Massachusetts |
| Allen Retention Basin Dam Gaston | High Hazard | — | 2018 | Concrete | North Carolina |
| Allen Retired Ash Basin Dam Gaston | High Hazard | — | 1957 | Earth | North Carolina |
| Allen Robinson Perkins | Low Hazard | 16 ft | 1953 | Earth | South Dakota |
| Allens Chambers | Low Hazard | — | 1970 | Earth | Alabama |
| Allen Scott Pond Dam DeSoto | Low Hazard | 16 ft | — | Earth | Mississippi |
| Allen's Creek East Branch Drainage Project Dam Monroe | Low Hazard | 19 ft | 1995 | Earth | New York |
| Allens Falls St. Lawrence | High Hazard | 37 ft | 1991 | Concrete | New York |
| Allen Slater Dam Spartanburg | Low Hazard | 23 ft | 1993 | — | South Carolina |
| Allen South Lake Dam Dimmit | Low Hazard | 9 ft | 1972 | Earth | Texas |
| Allens Pond Dam Pitt | Low Hazard | — | 1959 | Earth | North Carolina |
| Allen Sportsman Club Pontotoc | Low Hazard | 20 ft | 1926 | Earth | Oklahoma |
| Allen Stirling Number 1 Stanley | Low Hazard | 25 ft | 1959 | Earth | South Dakota |
| Allen Stirling Number 2 Stanley | Low Hazard | 30 ft | 1958 | Earth | South Dakota |
| Allen Street Detention Pond Dam Chautauqua | Significant Hazard | 21 ft | — | Earth | New York |
| Allentown Dam Monmouth | High Hazard | 18 ft | — | Earth | New Jersey |
| Allen Town Pond (Allen Road) Somerset | Low Hazard | 8 ft | 1700 | Earth | Maryland |
| Allen Trust Dam Wake | High Hazard | — | — | Other | North Carolina |
| Allen Tucker No.1 Mellette | Low Hazard | 25 ft | 1967 | Earth | South Dakota |
| Allen West Canadian | Low Hazard | 29 ft | 1996 | Earth | Oklahoma |
| Allerdings No.1 Walworth | Low Hazard | 26 ft | 1985 | Earth | South Dakota |
| Allerkamp Ranch Lake Dam La Salle | Low Hazard | 18 ft | 1950 | Earth | Texas |
| Allerman #1 Dam Douglas | High Hazard | 20 ft | — | Earth | Nevada |
| Alley Lake Dam Hickory | Low Hazard | 25 ft | 1972 | Earth | Missouri |
| Alley Oop Phillips | Low Hazard | 20 ft | 1957 | Earth | Montana |
| Allgeyer Lake Dam Montgomery | High Hazard | 29 ft | 1965 | Earth | Missouri |
| Allgier Lake Dam Madison | Low Hazard | 29 ft | 1968 | Earth | Missouri |
| Alliance Consulting Engineers, INC. Weber | Significant Hazard | — | — | Earth | Utah |
| Alliance Sludge Lagoons Stark | Significant Hazard | 12 ft | 1993 | Earth | Ohio |
| Allie Valley | Significant Hazard | 30 ft | 1960 | Earth | Montana |
| Allied Concrete Dam Chesterfield | Unknown | 16 ft | — | — | Virginia |
| Allied Leather Auxiliary Merrimack | Low Hazard | 15 ft | 1982 | Concrete | New Hampshire |