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 |
|---|---|---|---|---|---|
| Brown Hill Dam Windham | Significant Hazard | 7 ft | — | Earth | Connecticut |
| Browning Mill Pond Washington | Significant Hazard | 11 ft | 1885 | Earth | Rhode Island |
| Browning Pond Dam Worcester | Significant Hazard | 8 ft | — | Earth | Massachusetts |
| Brown Lake Dam Geauga | Significant Hazard | 23 ft | 1968 | Earth | Ohio |
| Brown (Liberty) Liberty | Significant Hazard | 20 ft | 1939 | Earth | Montana |
| Brown Mud Lake No. 4 Saline | Significant Hazard | 62 ft | 1975 | Earth | Arkansas |
| Brown Pond Dam Cullman | Significant Hazard | — | 1949 | Earth | Alabama |
| Brown Pond Dam Tolland | Significant Hazard | 7 ft | — | Earth | Connecticut |
| Brown Pond Dam Bristol | Significant Hazard | 7 ft | — | Masonry | Massachusetts |
| Brown Pond Dam Windham | Significant Hazard | 12 ft | 1980 | Earth | Connecticut |
| Browns Brook Dam Fairfield | Significant Hazard | 14 ft | 1836 | Earth | Connecticut |
| Browns Canyon 1 Scotts Bluff | Significant Hazard | 62 ft | 1953 | Earth | Nebraska |
| Browns Creek Lake Henderson | Significant Hazard | — | 1935 | Earth | Tennessee |
| Brown'S Dam #1 Atchison | Significant Hazard | 46 ft | 2004 | Earth | Missouri |
| Browns Lake Dam Saline | Significant Hazard | — | 1969 | Earth | Arkansas |
| Browns Pond Dam Muskegon | Significant Hazard | 16 ft | 1844 | Earth | Michigan |
| Browns Pond Dam Bamberg | Significant Hazard | 16 ft | 1979 | — | South Carolina |
| Brown's Valley Dam Traverse | Significant Hazard | — | 1941 | Earth | Minnesota |
| Brownwood Laterals WS SCS Site 20 Dam Brown | Significant Hazard | 44 ft | 1966 | Earth | Texas |
| Brownwood Laterals WS SCS Site 6 Dam Brown | Significant Hazard | 34 ft | 1971 | Earth | Texas |
| Brox Mcintosh Dam Wilcox | Significant Hazard | — | — | Earth | Alabama |
| Bruce Washington | Significant Hazard | 24 ft | 1980 | — | Idaho |
| Bruce Blaum Houston | Significant Hazard | 21 ft | 1977 | Earth | Alabama |
| Bruce Persson Dam Delaware | Significant Hazard | 27 ft | 1999 | Earth | New York |
| Bruner Dam Walton | Significant Hazard | 20 ft | 1971 | Earth | Florida |
| Brunner Island Ash Basin No 6 York | Significant Hazard | 39 ft | 1979 | Earth | Pennsylvania |
| Brunswick School Dam | Significant Hazard | — | — | — | Connecticut |
| Brush Creek El Dorado | Significant Hazard | 213 ft | 1970 | Concrete | California |
| Brushy Fork No. 7 Dam Harrison | Significant Hazard | 47 ft | 1950 | Other | Ohio |
| Bryan Lamoille | Significant Hazard | 25 ft | 1964 | Earth | Vermont |
| Bryan Dam Blaine | Significant Hazard | 25 ft | 1980 | Earth | Montana |
| Bryan Lake Dam Johnston | Significant Hazard | — | 1874 | Earth | North Carolina |
| Bsa Piedmont Council Dam #2 Rutherford | Significant Hazard | — | 1981 | Earth | North Carolina |
| Bubbling Springs Lower Pond Dam Passaic | Significant Hazard | 8 ft | — | Earth | New Jersey |
| Buck,Doe Run #4 Dam Lewis | Significant Hazard | 48 ft | 1973 | Earth | Missouri |
| Buck & Doe Run Site #3 Lewis | Significant Hazard | 36 ft | 1973 | Earth | Missouri |
| Buck & Doe Run Watershed Dam 37 Lewis | Significant Hazard | 32 ft | 1972 | Earth | Missouri |
| Buck & Doe Run Watershed Dam 39 Lewis | Significant Hazard | 33 ft | 1976 | Earth | Missouri |
| Buck-Doe Run Wtrshd #6 Dam Lewis | Significant Hazard | 46 ft | 1970 | Earth | Missouri |
| Buck & Doe Run Wtrshd Site #5 Dam Lewis | Significant Hazard | 20 ft | 1974 | Earth | Missouri |
| Buck-Doe Run Wtrshed #2 Struc Clark | Significant Hazard | 48 ft | 1979 | Earth | Missouri |
| Buck Hill Conservation Dam Worcester | Significant Hazard | 14 ft | 1969 | Earth | Massachusetts |
| Buckingham Reservoir Dam Hartford | Significant Hazard | 30 ft | 1925 | Earth | Connecticut |
| Buckley Creek 3-C Jefferson | Significant Hazard | 35 ft | 1966 | Earth | Nebraska |
| Buckley Creek 4-A Jefferson | Significant Hazard | 30 ft | 1971 | Earth | Nebraska |
| Buckley Creek 4-B Jefferson | Significant Hazard | 40 ft | 1962 | Earth | Nebraska |
| Buckley Pond Dam Fairfield | Significant Hazard | 12 ft | 1885 | Masonry | Connecticut |
| Buck Retention Basin Dam Rowan | Significant Hazard | — | 2019 | Earth | North Carolina |
| Bucks Mill Dam Monmouth | Significant Hazard | 13 ft | 1950 | Earth | New Jersey |
| Bucks Pond Dam Worcester | Significant Hazard | 10 ft | — | Earth | Massachusetts |