Browse Dams
3,029 dams in the National Inventory of Dams.
National Inventory of Dams
Browse 3,029 dams from the NID database. Each record includes dam name, location, physical dimensions, hazard potential classification, condition assessment, purpose, owner information, and emergency action plan status. Use the filters below to search by state, hazard level, condition, or keyword.
| Name | State | County | Height (ft) | Hazard | Condition | Year | Purpose |
|---|---|---|---|---|---|---|---|
| Earl Krietel #3 | Montana | Carter | 12 | Low | - | 1959 | Fire Protection, Stock, Or ... |
| L Cline #1 | Montana | Carter | 12 | Low | - | 1961 | Irrigation |
| Murphy #2 | Montana | McCone | 12 | Low | - | 1969 | Fire Protection, Stock, Or ... |
| A S Welch #1 | Montana | Rosebud | 12 | Low | - | 1950 | Fire Protection, Stock, Or ... |
| Fowler Dam #2 (Pondera) | Montana | Pondera | 12 | Significant | - | 1950 | Fire Protection, Stock, Or ... |
| Gibbs #1 | Montana | McCone | 12 | Low | - | 1945 | Fire Protection, Stock, Or ... |
| David Drum #1 | Montana | Phillips | 12 | Low | - | 1950 | Fire Protection, Stock, Or ... |
| Big Timber #17 | Montana | Rosebud | 12 | Low | - | 1940 | Fire Protection, Stock, Or ... |
| Big Timber #8 | Montana | Rosebud | 12 | Low | - | 1945 | Fire Protection, Stock, Or ... |
| Ostleer Dam | Montana | Petroleum | 12 | Low | Not Rated | - | Fish and Wildlife Pond |
| Procyon | Montana | Liberty | 12 | Low | - | 1950 | Fire Protection, Stock, Or ... |
| V Dam | Montana | Dawson | 12 | Low | - | 1957 | Irrigation |
| Burns Dam | Montana | Sweet Grass | 12 | Low | - | 1960 | Irrigation |
| Glacier Lake Dam | Montana | Missoula | 12 | Significant | - | 1915 | Water Supply |
| American Prairie Reserve Pond 3 | Montana | Phillips | 12 | Low | - | - | |
| Gerald Craft #5 | Montana | Carter | 12 | Low | - | 1944 | Fire Protection, Stock, Or ... |
| Schlesinger #3 | Montana | Rosebud | 12 | Low | - | 1961 | Fire Protection, Stock, Or ... |
| J King #2 | Montana | Petroleum | 12 | Low | - | 1936 | Fire Protection, Stock, Or ... |
| Ray | Montana | Chouteau | 12 | Low | - | 1956 | Fire Protection, Stock, Or ... |
| Hook #27 | Montana | Rosebud | 12 | Low | - | 1937 | Fire Protection, Stock, Or ... |
| Cut Bank Sewage Lagoon | Montana | Glacier | 12 | Low | - | 1959 | Other |
| Anchor Lake North Dam | Montana | Beaverhead | 12 | Significant | - | 1904 | Fire Protection, Stock, Or ... |
| Flicked Bic | Montana | Cascade | 12 | Low | - | 1960 | Fire Protection, Stock, Or ... |
| Matovich One | Montana | Phillips | 12 | Low | - | 1960 | Fire Protection, Stock, Or ... |
| Ehret Land Reservoir | Montana | Fallon | 12 | Low | - | 1963 | Fire Protection, Stock, Or ... |
| Hansen Lake Dam | Montana | Roosevelt | 12 | Low | - | 1946 | Fire Protection, Stock, Or ... |
| Montana #21 | Montana | Rosebud | 12 | Low | - | 1960 | Fire Protection, Stock, Or ... |
| J R Scott #5 | Montana | Big Horn | 12 | Low | - | 1953 | Fire Protection, Stock, Or ... |
| Conehead Dam | Montana | Valley | 12 | Low | Not Rated | - | |
| Waukena Lake Dam | Montana | Beaverhead | 12 | Low | Not Available | 1930 | Flood Risk Reduction |
| Matador Ranch #10 | Montana | Phillips | 12 | Low | - | 1968 | Fire Protection, Stock, Or ... |
| Montana #31 | Montana | Musselshell | 12 | Low | - | 1950 | Fire Protection, Stock, Or ... |
| White Bear Reservoir | Montana | Blaine | 12 | Low | - | 1960 | Fire Protection, Stock, Or ... |
| Pozega Lake 2 | Montana | Granite | 12 | Low | Not Available | 1955 | Irrigation |
| Ostle | Montana | Teton | 12 | Low | - | 1910 | Irrigation |
| Big Creek Lake | Montana | Ravalli | 12 | Significant | - | 1892 | Irrigation |
| Many People | Montana | Blaine | 12 | Low | - | 1960 | Fire Protection, Stock, Or ... |
| Smith Lake Dam | Montana | Flathead | 12 | High | Satisfactory | 1938 | Fish and Wildlife Pond |
| Gravelly Range Lake | Montana | Lewis and Clark | 12 | Significant | - | 1964 | Irrigation |
| Sagittaurius | Montana | Toole | 12 | Low | - | 1945 | Fire Protection, Stock, Or ... |
| Eureka Reservoir West Dike | Montana | Teton | 12 | High | Satisfactory | 1936 | Irrigation |
| Froze-To-Death #11 | Montana | Treasure | 12 | Low | - | 1949 | Fire Protection, Stock, Or ... |
| T&S Stock CO #4 | Montana | McCone | 12 | Low | - | 1945 | Fire Protection, Stock, Or ... |
| Christensen L&C #1 | Montana | Big Horn | 12 | Low | - | 1958 | Fire Protection, Stock, Or ... |
| David Drum #2 | Montana | Phillips | 12 | Low | - | 1950 | Irrigation |
| Br-8 Retention Dam | Montana | Blaine | 12 | Low | Not Rated | 1936 | Flood Risk Reduction |
| Widgeon Pond Dam | Montana | Beaverhead | 12 | Low | Poor | 1964 | Fish and Wildlife Pond |
| Bar Z F Ranch INCorporated #1 | Montana | Toole | 12 | Low | - | 1940 | Fire Protection, Stock, Or ... |
| Pr-21 Ret. Dam./Whitewater Lake | Montana | Phillips | 12 | Low | Fair | 1939 | Fire Protection, Stock, Or ... |
| Threemile Storage | Montana | Blaine | 12 | Low | Not Rated | 1937 | Irrigation |
Frequently Asked Questions
Hazard potential is based on the consequences of dam failure, not the condition of the dam. High hazard means loss of human life is probable. Significant means economic and environmental losses are expected but no probable loss of life. Low means minimal losses are expected. The classification considers downstream population, infrastructure, and environmental resources.
Condition ratings reflect the physical state of the dam based on periodic inspections. Satisfactory means no deficiencies found. Fair means minor issues exist but no immediate action needed. Poor means safety deficiencies require remedial action. Unsatisfactory means the dam is unsafe and immediate corrective action is required.
Yes. Use the search field above to find dams by name. You can also combine the search with state, hazard, and condition filters to narrow your results. Each dam record links to a detail page with complete information.