Significant Hazard Dams
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Burkhalter #2 Washington | Significant Hazard | 12 ft | 1952 | Earth | Oregon |
| Burks Putnam | Significant Hazard | — | 2002 | Earth | Tennessee |
| Burlington Racine | Significant Hazard | 10 ft | 1934 | Gravity | Wisconsin |
| Burlington Mills Dam Rutherford | Significant Hazard | — | 1900 | Concrete | North Carolina |
| Burlington Northern Dam Des Moines | Significant Hazard | 25 ft | 1930 | Earth | Iowa |
| Burnap Lake Dam Warren | Significant Hazard | 38 ft | 1969 | Earth | Ohio |
| Burncoat Pond Dam Worcester | Significant Hazard | 14 ft | — | Masonry | Massachusetts |
| Burnham Park Lower Dam Morris | Significant Hazard | 8 ft | — | Concrete | New Jersey |
| Burns Bledsoe | Significant Hazard | — | 1955 | Earth | Tennessee |
| Burns Napa | Significant Hazard | 39 ft | 1956 | Earth | California |
| Burnshirt River Dam Worcester | Significant Hazard | 8 ft | — | Masonry | Massachusetts |
| Burns Lake Marshall | Significant Hazard | — | 1965 | Earth | Tennessee |
| Burnt Mill Pond Dam Cumberland | Significant Hazard | 9 ft | — | Earth | New Jersey |
| Burnt Mills Dam Montgomery | Significant Hazard | 23 ft | 1930 | Earth | Maryland |
| Burrage Pond Upper Reservoir Dam Plymouth | Significant Hazard | 7 ft | — | Earth | Massachusetts |
| Burr Reservoir Dam Chautauqua | Significant Hazard | 20 ft | 1898 | Earth | New York |
| Burrus Ridge Robertson | Significant Hazard | — | 2012 | Earth | Tennessee |
| Burton Herrington Pond Dam Columbia | Significant Hazard | 18 ft | 1965 | Earth | New York |
| Burtonville Lake Dam Clinton | Significant Hazard | 25 ft | 1972 | Earth | Ohio |
| Busbees Pond Dam Orangeburg | Significant Hazard | 10 ft | 1960 | — | South Carolina |
| Busch Wildlife Dam #34 St. Charles | Significant Hazard | 37 ft | 1957 | Earth | Missouri |
| Bush Carroll | Significant Hazard | — | 1998 | Earth | Tennessee |
| Bush Hill Pond Windham | Significant Hazard | — | — | Earth | Connecticut |
| Bush Pond Dam New London | Significant Hazard | 12 ft | — | — | Connecticut |
| Bush River Dam # 6 Prince Edward | Significant Hazard | 37 ft | — | Earth | Virginia |
| Bushwhacker Dam Vernon | Significant Hazard | 40 ft | 1981 | Earth | Missouri |
| Busseron Dam No. A-3 Sullivan | Significant Hazard | 28 ft | 1967 | Earth | Indiana |
| Busseron Dam No. A-4 Sullivan | Significant Hazard | 22 ft | 1967 | Earth | Indiana |
| Busseron Dam No. D-4 Greene | Significant Hazard | 32 ft | 1965 | Earth | Indiana |
| Busseron Dam No. F-1 Sullivan | Significant Hazard | 33 ft | 1976 | Earth | Indiana |
| Busseron Dam No. G-1 Sullivan | Significant Hazard | 27 ft | 1964 | Earth | Indiana |
| Busseron Dam No. G-10 Vigo | Significant Hazard | 28 ft | 1963 | Earth | Indiana |
| Busseron Dam No. G-2 Sullivan | Significant Hazard | 30 ft | 1964 | Earth | Indiana |
| Busseron Dam No. G-3 Sullivan | Significant Hazard | 30 ft | 1964 | Earth | Indiana |
| Busseron Dam No. G-4 Vigo | Significant Hazard | 32 ft | 1964 | Earth | Indiana |
| Busseron Dam No. J-1 Sullivan | Significant Hazard | 29 ft | 1975 | Earth | Indiana |
| Bussman Dam Labette | Significant Hazard | 16 ft | 1965 | Earth | Kansas |
| Bussy Brake Lake Morehouse | Significant Hazard | 15 ft | 1954 | Earth | Louisiana |
| Buswell Pond Dam Essex | Significant Hazard | 4 ft | 1923 | Earth | Massachusetts |
| Butch Hart Dam Bourbon | Significant Hazard | 26 ft | 1997 | Earth | Kentucky |
| Butler Pond Dam Warren | Significant Hazard | 15 ft | 1914 | Earth | New York |
| Butler Pond Dam Yancey | Significant Hazard | — | — | Earth | North Carolina |
| Buttahatchee Dam Marion | Significant Hazard | — | 1960 | Other | Alabama |
| Butterfield Pond Dam Middlesex | Significant Hazard | 22 ft | 1938 | Earth | Massachusetts |
| Butterfly Bogs Dam Ocean | Significant Hazard | 8 ft | — | Earth | New Jersey |
| Butternut Hollow Pond Dam Middlesex | Significant Hazard | 21 ft | 1935 | Earth | Connecticut |
| Butterworth Dam Pierce | Significant Hazard | — | 1949 | Earth | Washington |
| Butterworth Lake Dam New Haven | Significant Hazard | 15 ft | 1961 | Earth | Connecticut |
| Button Mill Pond Dam Fairfield | Significant Hazard | 10 ft | — | Masonry | Connecticut |
| Button Shop Dam #1 Hampshire | Significant Hazard | 20 ft | — | Masonry | Massachusetts |