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 |
|---|---|---|---|---|---|---|---|
| D S Scott #3 | Montana | Big Horn | 20 | Low | - | 1965 | Fire Protection, Stock, Or ... |
| Prairie Nest Ranch 2 | Montana | Cascade | 20 | Low | - | 1920 | Fire Protection, Stock, Or ... |
| L Galt #25 | Montana | Garfield | 20 | Low | - | 1960 | Fire Protection, Stock, Or ... |
| Eddie #2 | Montana | Valley | 20 | Low | - | 1950 | Fire Protection, Stock, Or ... |
| Burgess #2 | Montana | Garfield | 20 | Low | - | 1969 | Irrigation |
| Babbit | Montana | Golden Valley | 20 | Low | - | 1955 | Fire Protection, Stock, Or ... |
| Bob #6 | Montana | Garfield | 20 | Low | - | 1954 | Fire Protection, Stock, Or ... |
| Purple Water | Montana | Liberty | 20 | Low | - | 1916 | Fire Protection, Stock, Or ... |
| Atlas | Montana | Judith Basin | 20 | Low | - | 1950 | Fire Protection, Stock, Or ... |
| Big Bucks #14 | Montana | Garfield | 20 | Low | - | 1955 | Fire Protection, Stock, Or ... |
| Upsilon | Montana | Glacier | 20 | Low | - | 1930 | Fire Protection, Stock, Or ... |
| Freak Out | Montana | Teton | 20 | Low | - | 1948 | Fire Protection, Stock, Or ... |
| Evans, L. | Montana | Lewis and Clark | 20 | Low | - | 1961 | Fire Protection, Stock, Or ... |
| German #3 | Montana | Carter | 20 | Low | - | 1955 | Fire Protection, Stock, Or ... |
| Over The Hill Reservoir | Montana | Blaine | 20 | Low | - | 1962 | Irrigation |
| Brady #4 | Montana | Petroleum | 20 | Low | - | 1945 | Fire Protection, Stock, Or ... |
| Anderson Reservoir #1 (Roosevelt) | Montana | Roosevelt | 20 | Low | - | 1959 | Fire Protection, Stock, Or ... |
| Harbaugh #3 | Montana | Garfield | 20 | Low | - | 1952 | Fire Protection, Stock, Or ... |
| R Schmitz #1 | Montana | Richland | 20 | Low | - | 1970 | Fire Protection, Stock, Or ... |
| Flecher Reservoir | Montana | Richland | 20 | Low | - | 1967 | Fire Protection, Stock, Or ... |
| Gildford Colony #1000 | Montana | Hill | 20 | Low | - | 1960 | Fire Protection, Stock, Or ... |
| Manuel #2 | Montana | Petroleum | 20 | Low | - | 1969 | Fire Protection, Stock, Or ... |
| Vielleux, Joe | Montana | Chouteau | 20 | Low | - | 1961 | Recreation |
| C Sowle Reservoir #2 | Montana | Richland | 20 | Low | - | 1960 | Fire Protection, Stock, Or ... |
| Cherry Creek #7 | Montana | Rosebud | 20 | Low | - | 1940 | Fire Protection, Stock, Or ... |
| Leland #1 | Montana | Custer | 20 | Low | - | 1959 | Irrigation |
| Hauso Reservoir | Montana | Garfield | 20 | Low | - | 1958 | Fire Protection, Stock, Or ... |
| Ponderosa Pine | Montana | Pondera | 20 | Low | - | 1968 | Fire Protection, Stock, Or ... |
| Cimrhakle #2 | Montana | Fergus | 20 | Low | - | 1955 | Fire Protection, Stock, Or ... |
| Withee #2 | Montana | Garfield | 20 | Low | - | 1967 | Fire Protection, Stock, Or ... |
| Gilda Radner | Montana | Phillips | 20 | Low | - | 1962 | Fire Protection, Stock, Or ... |
| Zempel #3 | Montana | Rosebud | 20 | Low | - | 1940 | Fire Protection, Stock, Or ... |
| Dunning #2 | Montana | Rosebud | 20 | Low | - | 1961 | Fire Protection, Stock, Or ... |
| Nelson #1 | Montana | McCone | 20 | Significant | - | 1960 | Irrigation |
| Wills, R. | Montana | Missoula | 20 | Low | - | 1966 | Irrigation |
| Kuhr #2 | Montana | Blaine | 20 | Significant | - | 1930 | Irrigation |
| Big Timber #41 | Montana | Rosebud | 20 | Low | - | 1946 | Fire Protection, Stock, Or ... |
| E Wasson #2 | Montana | Phillips | 20 | Low | - | 1947 | Fire Protection, Stock, Or ... |
| Cap Rock #1 | Montana | Custer | 20 | Low | - | 1966 | Fire Protection, Stock, Or ... |
| Drew #1 | Montana | Garfield | 20 | Low | - | 1966 | Fire Protection, Stock, Or ... |
| Shaw Reservoir (Garfield) | Montana | Garfield | 20 | Low | - | 1948 | Fire Protection, Stock, Or ... |
| Stentoft | Montana | Roosevelt | 20 | Low | - | 1969 | Recreation |
| Leachman #4 | Montana | Yellowstone | 20 | Low | - | 1979 | Fire Protection, Stock, Or ... |
| Ryan (Garfield) | Montana | Garfield | 20 | Low | - | 1968 | Fire Protection, Stock, Or ... |
| Watt #2 | Montana | Garfield | 20 | Low | - | 1960 | Fire Protection, Stock, Or ... |
| Thompson, Frank | Montana | Lewis and Clark | 20 | Low | - | 1972 | Irrigation |
| Curran-Barrett #2 | Montana | Lewis and Clark | 20 | Low | - | 1899 | Irrigation |
| Crow #68 | Montana | Big Horn | 20 | Low | - | 1959 | Fire Protection, Stock, Or ... |
| Bateman #1 | Montana | Garfield | 20 | Low | - | 1973 | Irrigation |
| Thretening Times | Montana | Blaine | 20 | Low | - | 1950 | 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.