High Hazard Dams
Loss of human life is likely if the dam fails.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Bremo Power Station East Ash Pond Dam Fluvanna | High Hazard | 30 ft | — | Earth | Virginia |
| Brent Lake Dam Howell | High Hazard | 30 ft | 1973 | Earth | Missouri |
| Brentwood Park Tuolumne | High Hazard | 58 ft | 1964 | Earth | California |
| Brentwood Townehome Dam Cook | High Hazard | 14 ft | 1960 | Earth | Illinois |
| Brereton Jones Dam Gallatin | High Hazard | 60 ft | 2000 | Earth | Kentucky |
| Breskin No 2 Westmoreland | High Hazard | 42 ft | 1971 | Earth | Pennsylvania |
| Bresler Upground Reservoir Allen | High Hazard | 38 ft | 1970 | Earth | Ohio |
| Brevard Music Camp Lower Dam Transylvania | High Hazard | — | — | Earth | North Carolina |
| Brevard Music Camp Upper Dam Transylvania | High Hazard | — | 1929 | Earth | North Carolina |
| Brewer Lake Dam Union | High Hazard | — | 1958 | Earth | North Carolina |
| Brex Lake Dam Boone | High Hazard | 37 ft | — | Earth | Missouri |
| Brian Haskins Lake Dam Jefferson | High Hazard | 22 ft | 1990 | — | Missouri |
| Briar Chapel Reclamation Facility 5-Day Upset Pond Dam Chatham | High Hazard | — | 2008 | Earth | North Carolina |
| Briarcliff Dam No 1 Travis | High Hazard | 18 ft | 1966 | Earth | Texas |
| Briarcliff Dam No 2 Travis | High Hazard | 13 ft | 1966 | Earth | Texas |
| Briarcliff Dam No 3 Travis | High Hazard | 16 ft | 1966 | Earth | Texas |
| Briarcliff Dam No 4 Travis | High Hazard | 14 ft | 1970 | Earth | Texas |
| Briar Creek Lake Pa-497 Columbia | High Hazard | 39 ft | 1968 | Earth | Pennsylvania |
| Briar Creek (Pa 498) Columbia | High Hazard | 70 ft | 1987 | Earth | Pennsylvania |
| Briar Hill Lake Dam Cuyahoga | High Hazard | 24 ft | 1913 | Earth | Ohio |
| Briar Lake Dam Henderson | High Hazard | — | — | Earth | North Carolina |
| Briarwood Country Club Lake Dam Lauderdale | High Hazard | 25 ft | 1967 | Earth | Mississippi |
| Briarwood Sportsman'S Club No. 11 Dam Logan | High Hazard | 50 ft | 1976 | Earth | Ohio |
| Brickbauer Sheboygan | High Hazard | 11 ft | 1865 | Gravity | Wisconsin |
| Brick City Mill Pond Dam Worcester | High Hazard | 22 ft | — | Earth | Massachusetts |
| Bridford Apartments Dam Guilford | High Hazard | — | 1997 | Earth | North Carolina |
| Bridge Creek Dam Kenai Peninsula Borough | High Hazard | 65 ft | 1975 | Earth | Alaska |
| Bridge Creek Dam Geauga | High Hazard | 40 ft | 1961 | Earth | Ohio |
| Bridge Creek Pond Dam Aiken | High Hazard | 15 ft | 1960 | — | South Carolina |
| Bridgefield Estates Lake Dam Lamar | High Hazard | 25 ft | 1997 | Earth | Mississippi |
| Bridgeforth Mill Dam Amelia | High Hazard | 14 ft | — | Earth | Virginia |
| Bridgeport Mono | High Hazard | 63 ft | 1924 | Earth | California |
| Bridgeport Dam Wise | High Hazard | 130 ft | 1931 | Earth | Texas |
| Bridgeport (Pa-655) Westmoreland | High Hazard | 49 ft | 1992 | Earth | Pennsylvania |
| Bridgewater Lake Dam Franklin | High Hazard | 32 ft | 1995 | — | Missouri |
| Bridlewood Pond Providence | High Hazard | 7 ft | — | Earth | Rhode Island |
| Bridlewood Upper End Providence | High Hazard | 5 ft | — | — | Rhode Island |
| Brier Crest Woods Monroe | High Hazard | 16 ft | 1973 | Earth | Pennsylvania |
| Briery Creek Lake Dam Prince Edward | High Hazard | 64 ft | — | Earth | Virginia |
| Briggs Lake Dam Jackson | High Hazard | 29 ft | 1962 | Earth | Missouri |
| Briggs Street Detention Lackawanna | High Hazard | 16 ft | — | Earth | Pennsylvania |
| Briggsville Marquette | High Hazard | 14 ft | 1850 | Gravity | Wisconsin |
| Brighterwood Crossing Dam Guilford | High Hazard | — | — | Other | North Carolina |
| Brighton Montgomery | High Hazard | 82 ft | 1943 | Buttress | Maryland |
| Brighton Lake Dam Macoupin | High Hazard | 25 ft | — | Earth | Illinois |
| Bright Penny Dam Watauga | High Hazard | — | — | Earth | North Carolina |
| Brightwater Lake Dam Paulding | High Hazard | 27 ft | 1957 | Earth | Georgia |
| Brightwood Lake Dam Lake | High Hazard | 16 ft | 1967 | Earth | Ohio |
| Brillion Hacker Road Calumet | High Hazard | 19 ft | 1997 | Earth | Wisconsin |
| Brillion Ryan Street Calumet | High Hazard | 15 ft | 1997 | Earth | Wisconsin |