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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
Cotter Tailings Colorado Fremont 104 Low Not Rated 1980 Tailings
Genesee No. 2 Colorado Jefferson 103 High Satisfactory 2008 Water Supply
Gold Camp Colorado El Paso 103 High Satisfactory 1954 Water Supply
Mountain View Colorado Archuleta 102 High Satisfactory 2000 Water Supply
Big Beaver Colorado Rio Blanco 102 High Fair 1964 Fish and Wildlife Pond
Big Tooth Colorado El Paso 102 High Satisfactory 1927 Water Supply
Santa Maria Colorado Mineral 102 High Satisfactory 1911 Irrigation
Marshall Lake Colorado Boulder 101 High Satisfactory 1908 Irrigation
Twin Lakes Dam Colorado Lake 100 High Not Available 1978 Hydroelectric
Spinney Mountain Colorado Park 100 High Satisfactory 1982 Water Supply
Chase Gulch Colorado Gilpin 100 High Satisfactory 1996 Water Supply
Willow Creek Colorado Routt 100 High Fair 1966 Recreation
South Catamount Colorado Teller 100 High Fair 1935 Water Supply
Williams Creek Colorado Hinsdale 100 High Satisfactory 1958 Recreation
Granby Dike 1 Colorado Grand 98 High Not Available 1950 Hydroelectric
Upper Highline Colorado Mesa 98 High Satisfactory 1967 Recreation
Lake Isabel Colorado Pueblo 98 High Not Rated 1937 Recreation
Upper Beaver Brook Colorado Clear Creek 97 High Satisfactory 1924 Water Supply
Regulating Reservoir Colorado El Paso 96 High Satisfactory 1996 Water Supply
Halligan Colorado Larimer 95 High Fair 1970 Irrigation
Cabin Creek Lower Colorado Clear Creek 95 High Satisfactory 1967 Hydroelectric
North Lake Colorado Las Animas 94 High Fair 1963 Water Supply
Wildcat Colorado Pitkin 94 High Fair 1953 Recreation
Mt. Elbert Forebay Dam Colorado Lake 94 High Not Available 1981 Hydroelectric
Canon Wtrsd C-3 Colorado Fremont 93 High Satisfactory 1972 Flood Risk Reduction
Mt. Elbert Forebay Inlet/Outlet Dike Colorado Lake 92 High Not Available 1977 Hydroelectric
Floodwater Ret. B-5 Colorado Larimer 91 Significant Satisfactory 1977 Flood Risk Reduction
Needle Creek Colorado Saguache 90 Low Not Rated 1961 Irrigation
Brush Hollow Colorado Fremont 90 High Satisfactory 1922 Irrigation
Lower Urad Colorado Clear Creek 90 High Satisfactory 1965 Water Supply
Barton Porter West Colorado Garfield 89 High Fair 2005 Irrigation
Stillwater #1 Colorado Garfield 89 High Unsatisfactory 1939 Irrigation
Bristlecone Colorado El Paso 88 Significant Satisfactory 1986 Recreation
Long Draw Colorado Larimer 88 High Satisfactory 1975 Irrigation
Gurley Colorado San Miguel 88 High Fair 1961 Irrigation
Fish Creek Colorado Routt 88 High Fair 1954 Water Supply
Miramonte Colorado San Miguel 87 High Unsatisfactory 1978 Recreation
Flatiron Dam Colorado Larimer 86 High Not Available 1953 Hydroelectric
Point of Rocks Colorado Logan 86 High Satisfactory 1948 Irrigation
Humphreys Colorado Mineral 85 High Satisfactory 1923 Hydroelectric
Fisher Peak Det. Fpc-1 Colorado Las Animas 85 High Fair 1961 Flood Risk Reduction
Platoro Dike Colorado Conejos 85 High Not Available 1951 Flood Risk Reduction
Overland #1 Colorado Delta 85 High Fair 1987 Irrigation
Teller Colorado Pueblo 85 High Fair 1908 Recreation
Pine Brook Colorado Boulder 84 High Satisfactory 2006 Water Supply
Wellington Colorado Jefferson 84 High Fair 1895 Irrigation
Summitville Tailings Colorado Rio Grande 83 Low Not Rated 1968 Water Supply
South Platte Reservoir Colorado Arapahoe 83 High Satisfactory 2007 Water Supply
Superior Colorado Boulder 83 High Satisfactory 1994 Water Supply
Great Western Colorado Broomfield 83 High Fair 1903 Water Supply

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.