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 |
|---|---|---|---|---|---|---|---|
| Upper Baker Dam | Montana | Fallon | 32 | High | Satisfactory | 1975 | Flood Risk Reduction |
| Balsam #1 | Montana | Custer | 32 | Low | - | 1967 | Irrigation |
| Jones (Custer) | Montana | Custer | 32 | Low | - | 1936 | Irrigation |
| L Krutzfeldt #5 | Montana | Custer | 32 | Low | - | 1974 | Fire Protection, Stock, Or ... |
| Pegar Fish | Montana | Chouteau | 32 | Low | - | 1966 | Fire Protection, Stock, Or ... |
| Isaac Creek | Montana | Missoula | 32 | High | Satisfactory | 1948 | Irrigation |
| Horab | Montana | Roosevelt | 32 | Low | - | 1945 | Fire Protection, Stock, Or ... |
| Voldseth West Dam | Montana | Meagher | 32 | High | Fair | 1939 | Irrigation |
| Sidney Dam | Montana | Carter | 32 | Low | Not Rated | - | |
| Averill | Montana | Flathead | 32 | Low | - | 1964 | Irrigation |
| Jackson Lake | Montana | Meagher | 32 | High | Unsatisfactory | 1936 | Irrigation |
| Agate Flat Dam | Montana | Prairie | 32 | Low | Satisfactory | - | |
| Vandalia Diversion Dam | Montana | Valley | 32 | Low | Not Available | 1917 | Irrigation |
| Burgess Reservoir (Richland) | Montana | Richland | 32 | Low | - | 1949 | Irrigation |
| Lost Leg | Montana | Rosebud | 32 | Low | - | 1968 | Fire Protection, Stock, Or ... |
| Kuester | Montana | Richland | 32 | Significant | - | 1958 | Fire Protection, Stock, Or ... |
| Fox #5 | Montana | Custer | 32 | Low | - | 1958 | Fire Protection, Stock, Or ... |
| Eureka Reservoir Dam | Montana | Teton | 32 | High | Poor | 1936 | Irrigation |
| Puppie Tail | Montana | Fergus | 32 | Low | - | 1963 | Irrigation |
| Trout | Montana | Rosebud | 32 | Low | - | 1957 | Fire Protection, Stock, Or ... |
| Lost Calf Detention Dam | Montana | Carter | 31 | Low | Unsatisfactory | 1966 | Fire Protection, Stock, Or ... |
| Love | Montana | Custer | 31 | Low | - | 1936 | Irrigation |
| Lockie #5 | Montana | Custer | 31 | Low | - | 1961 | Fire Protection, Stock, Or ... |
| Wolf Creek | Montana | Rosebud | 31 | Low | - | 1976 | Fire Protection, Stock, Or ... |
| Twodot | Montana | Wheatland | 31 | Low | - | 1953 | Irrigation |
| Nielsen | Montana | Rosebud | 31 | Low | - | 1973 | Irrigation |
| Coal Creek Detention Dam | Montana | Prairie | 31 | Low | Poor | 1963 | Fire Protection, Stock, Or ... |
| Upper Prairie Goat Det. Dam | Montana | Dawson | 31 | Low | Unsatisfactory | 1962 | Fire Protection, Stock, Or ... |
| A C Lincoln | Montana | Hill | 31 | Low | - | 1930 | Fire Protection, Stock, Or ... |
| Bixler #5 | Montana | Custer | 31 | Low | - | 1948 | Fire Protection, Stock, Or ... |
| Kwasney | Montana | McCone | 31 | Low | - | 1957 | Fire Protection, Stock, Or ... |
| Park Lake Dam | Montana | Jefferson | 31 | High | Not Rated | 1872 | Fish and Wildlife Pond |
| Gartside | Montana | Richland | 31 | High | Satisfactory | 1962 | Recreation |
| Sanburn Reservoir | Montana | Powder River | 31 | Low | - | 1961 | Irrigation |
| Coal Creek Drop Dam | Montana | Prairie | 31 | Low | Satisfactory | - | Flood Risk Reduction |
| Blunt Ranches #4 | Montana | Phillips | 31 | Low | - | 1946 | Fire Protection, Stock, Or ... |
| Grasshopper | Montana | Blaine | 31 | Low | - | 1930 | Irrigation |
| Beardsley Retention Dam | Montana | Custer | 31 | Low | Poor | 2003 | Fire Protection, Stock, Or ... |
| Stump Retention Dam | Montana | Powder River | 31 | Low | Not Rated | 2003 | Fire Protection, Stock, Or ... |
| January Detention Dam | Montana | Valley | 31 | Low | Unsatisfactory | 1960 | Fire Protection, Stock, Or ... |
| Moore #2 | Montana | Custer | 31 | Low | - | 1943 | Fire Protection, Stock, Or ... |
| Pond No. 10 | Montana | Rosebud | 31 | Low | - | 1980 | Other |
| Kielman | Montana | Valley | 30 | Low | - | 1959 | Irrigation |
| Red | Montana | Fergus | 30 | Significant | - | 1963 | Fire Protection, Stock, Or ... |
| Mcmullin Bros Upper | Montana | Prairie | 30 | Low | - | 1960 | Irrigation |
| Chuck #1 | Montana | Garfield | 30 | Low | - | 1960 | Fire Protection, Stock, Or ... |
| Dry Coulee Dam | Montana | Big Horn | 30 | Low | - | 1974 | Other |
| Custer Creek | Montana | Prairie | 30 | Low | - | 1962 | Fire Protection, Stock, Or ... |
| Lepus | Montana | Missoula | 30 | Low | - | 1956 | Irrigation |
| Hollar | Montana | Wibaux | 30 | Low | - | 1949 | Fire Protection, Stock, Or ... |
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.