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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
George Welch Montana Hill 35 Low — 1950 Irrigation
Shaw #1 Montana Garfield 35 Low — 1973 Fire Protection, Stock, Or ...
La Ze #1 Montana Carter 35 Low — 1960 Fire Protection, Stock, Or ...
Neiser #1 Montana Sheridan 35 Low — 1936 Irrigation
Cracker Montana Pondera 35 Significant — 1915 Fire Protection, Stock, Or ...
Mcfarland-White Montana Wheatland 35 Significant — 1968 Irrigation
Olie Montana Toole 35 Significant — 1956 Fire Protection, Stock, Or ...
J B Long and Company #3 Montana Lewis and Clark 34 Low — 1950 Irrigation
Fisher Dam Montana Valley 34 Low — 1978 Irrigation
Triple Crossing Detention Dam Montana Valley 34 Low Poor 1957 Flood Risk Reduction
Claribell #9 Montana Garfield 34 Low — 1965 Fire Protection, Stock, Or ...
Lamesteer Dam Montana Wibaux 34 Low Unsatisfactory 1938 Fish and Wildlife Pond
Wendell #1 Montana McCone 34 Low — 1950 Irrigation
Burgundy Montana Hill 34 Low — 1953 Fire Protection, Stock, Or ...
Mcwilliams Reservoir Montana Garfield 34 Low — 1965 Irrigation
Vaux #1 Montana Richland 34 Low — 1960 Irrigation
Mauland Dam Montana Fergus 34 Low Not Rated 1946 Fish and Wildlife Pond
Fr Dam Montana Blaine 34 Low Not Rated 2003 Fish and Wildlife Pond
Petranek Reservoir Montana Fergus 34 Low — 1937 Fire Protection, Stock, Or ...
Jones Meadow Dam Montana Missoula 34 Low — 1964 Irrigation
Battle Creek Montana Meagher 34 Low — 1956 Irrigation
Hacker Dam Montana Madison 34 Low — 1953 Irrigation
Easy Retention Dam Montana Musselshell 34 Low Not Rated 1972 Fire Protection, Stock, Or ...
Hook #4 Montana Rosebud 34 Low — 1955 Fire Protection, Stock, Or ...
Jackson (Madison) Montana Madison 34 High Poor 1959 Irrigation
Twin (Turtle) Montana Lake 34 High Poor 1932 Recreation
Hinman Dam Montana Lewis and Clark 34 High Not Rated 2000 Other
Finale Detention Dam Montana Valley 34 Low Poor 1965 Flood Risk Reduction
Current Detention Dam Montana Phillips 34 Low Poor 1969 Fire Protection, Stock, Or ...
Barta, A.J. #2 Montana Custer 34 Low — 1972 Fire Protection, Stock, Or ...
Woodhouse-Lattin Montana Teton 34 Low — 1963 Recreation
Farmers Coop Canal Co Montana Teton 34 Low — 1940 Irrigation
Hook #55 Montana Rosebud 33 Low — 1958 Irrigation
Sundial Montana Custer 33 Low — 1950 Fire Protection, Stock, Or ...
Robinson #4 Montana Custer 33 Low — 1940 Fire Protection, Stock, Or ...
Lisk Creek Dam Montana McCone 33 Low — 1931 Irrigation
Archer #2 Montana Fergus 33 Low — 1964 Irrigation
Hook #51 Montana Rosebud 33 Low — 1950 Fire Protection, Stock, Or ...
Deadmans Basin Water Supply Canal Storage Reservoir #2 Montana Wheatland 33 Low — — Water Supply
Claribell #5 Montana Garfield 33 Low — 1956 Fire Protection, Stock, Or ...
Sentinel Detention Dam Montana Phillips 33 Low Fair 1969 Fire Protection, Stock, Or ...
Bn #3 Montana Rosebud 33 Low — 1966 Fire Protection, Stock, Or ...
Mckay Creek Montana Powell 33 High Fair 1955 Irrigation
Dog Creek Reservoir Montana Powell 33 Significant — 1954 Irrigation
Bailer Dam Montana Dawson 33 Low Fair —
Henry Dam #2 Montana Toole 33 Low — 1963 Irrigation
Jones (Custer) Montana Custer 32 Low — 1936 Irrigation
Balsam #1 Montana Custer 32 Low — 1967 Irrigation
L Krutzfeldt #5 Montana Custer 32 Low — 1974 Fire Protection, Stock, Or ...
Trout Montana Rosebud 32 Low — 1957 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.