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Browse Dams

1,984 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,984 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
Vouga Colorado Saguache 60 High Unsatisfactory 1978 Irrigation
Fruita #2 Colorado Mesa 60 Significant Unsatisfactory 1959 Water Supply
John Townsend Colorado El Paso 60 Low Poor 1885 Recreation
Pine River Watershed P. R. 2 Colorado La Plata 60 Low Not Rated 1968 Flood Risk Reduction
Scholl Colorado Grand 59 Significant Unsatisfactory 1964 Irrigation
Maple Grove Colorado Jefferson 59 High Satisfactory 1956 Water Supply
Boulder - South Colorado Boulder 59 High Satisfactory 1955 Water Supply
Fairview Colorado Montrose 58 High Fair 1968 Water Supply
Spence Colorado Archuleta 58 Significant Fair 1965 Irrigation
Allen Basin Colorado Rio Blanco 58 Significant Fair 1956 Irrigation
Cobb Lake Colorado Larimer 58 High Satisfactory 1953 Irrigation
Chambers Lake Colorado Larimer 58 High Satisfactory 1924 Irrigation
Nichols Colorado El Paso 57 Low Not Rated 1929 Water Supply
Youngs Creek #1 & 2 Colorado Delta 57 High Fair 1952 Irrigation
D.O.E. Rocky Flats B-5 Colorado Jefferson 57 Low Not Available 1979 Flood Risk Reduction
L E D E Colorado Eagle 57 High Fair 1931 Irrigation
Trujillo Meadows Colorado Conejos 57 High Fair 1956 Recreation
New Thomas Colorado Weld 57 Significant Satisfactory 1976 Water Supply
Jerry Creek #1 Colorado Mesa 57 High Satisfactory 1964 Water Supply
Gobbo #3 Colorado Mesa 57 Significant Fair 1973 Irrigation
Crooked Arroyo Det Ca-2 Colorado Otero 56 Significant Fair 1975 Flood Risk Reduction
Magic Mountain #1 Colorado Jefferson 56 High Not Rated 1958 Fire Protection, Stock, Or ...
Hogchute Colorado Mesa 56 High Fair 1947 Water Supply
Windsor #8 Colorado Larimer 56 High Satisfactory 1903 Irrigation
Craig Holding & Evaporation Ponds Colorado Moffat 56 Significant Satisfactory 1978 Water Supply
Luark Colorado Eagle 56 Low Not Rated 1947 Irrigation
Foothills Colorado Boulder 56 High Satisfactory 1911 Irrigation
Johnson Colorado La Plata 55 High Satisfactory 1982 Water Supply
Lake Moraine Colorado El Paso 55 High Fair 1891 Water Supply
Timberline Colorado Jefferson 55 Low Fair — Recreation
Pinon Colorado El Paso 55 Significant Satisfactory 1986 Recreation
Milton Lake Colorado Weld 55 High Satisfactory 1911 Irrigation
Carter Lake Dam 3 Colorado Larimer 55 High Not Available 1952 Hydroelectric
Craig #2 Colorado Mesa 55 Significant Fair 1960 Irrigation
Franktown Parker Fpw-1 Colorado Douglas 55 Low Fair 1963 Flood Risk Reduction
South Suburban Colorado El Paso 55 High Satisfactory 1932 Water Supply
Floodwater Ret. B-3 Colorado Larimer 55 High Satisfactory 1979 Flood Risk Reduction
Pine River Watershed P. R. 1 Colorado La Plata 55 Low Not Rated 1967 Flood Risk Reduction
Davis Gulch Colorado Garfield 55 Low Not Rated 1982 Flood Risk Reduction
Fruitgrowers Dam Colorado Delta 55 High Not Available 1939 Irrigation
Sedimentation Pond Hg-4 Colorado Routt 55 Low Not Rated 1979 Other
Memorial Dam Colorado Denver 55 Significant Fair 1983 Irrigation
Shavano Valley #1-Sv-1 Colorado Montrose 54 High Satisfactory 1993 Flood Risk Reduction
D.O.E. Rocky Flats A-4 Colorado Jefferson 54 Low Not Available 1979 Flood Risk Reduction
La Jara - Dam No. 1 Colorado Conejos 54 Significant Fair 1906 Recreation
Mattingly Colorado Larimer 54 Low Not Rated 1969 Irrigation
Lilylands Colorado San Miguel 54 Low Satisfactory 1959 Irrigation
Lower Beaver Brook Colorado Clear Creek 54 High Satisfactory 2022 Water Supply
Pickle Jar Reservoir Colorado Gilpin 54 Low Not Rated 2001 Water Supply
Wagon Tongue #2 Colorado Park 54 Low Fair 1974 Recreation

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.