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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.

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Name State County Height (ft) Hazard Condition Year Purpose
Aubert Colorado Mesa 42 Low Not Rated 1974 Recreation
Fishers Canyon Debris Basin Dam Colorado El Paso 42 High Fair 1999 Flood Risk Reduction
Noonen Colorado Arapahoe 42 Low Satisfactory 1907 Irrigation
Smith Colorado Costilla 42 Significant Satisfactory 1914 Irrigation
St. Joe Tailings Colorado Boulder 42 Low Not Rated 1936 Tailings
Glen Eyrie #3 Colorado El Paso 41 High Fair 1901 Water Supply
Newton Gulch Colorado Routt 41 Low Satisfactory 1907 Irrigation
Kiowa Crk Wtrshd Q-51 Colorado Elbert 41 Low Not Rated 1956 Flood Risk Reduction
Culverwell Colorado Moffat 41 Low Not Rated 1930 Irrigation
Twin Lakes Reservoir Colorado Larimer 41 Significant Satisfactory 1998 Water Supply
North Poudre # 5 Colorado Larimer 41 High Satisfactory 1905 Irrigation
Longs Peak #1 Colorado Boulder 41 Low Satisfactory 1960 Fish and Wildlife Pond
Ellgen Colorado Moffat 41 Low Fair 1949 Irrigation
D.D. & E. Wise Colorado Rio Blanco 41 Significant Fair 1946 Irrigation
Highland #2 (South) Colorado Boulder 41 Significant Satisfactory 1881 Irrigation
Franktown Parker Fpe-4 Colorado El Paso 41 Low Satisfactory 1965 Flood Risk Reduction
Gray Colorado Delta 41 Low Not Rated 1957 Irrigation
Flagler Colorado Kit Carson 41 High Unsatisfactory 1965 Recreation
Siena Colorado Broomfield 41 High Satisfactory 2004 Water Supply
Adobe Creek Colorado Bent 41 High Satisfactory 1904 Irrigation
Garden of The Gods Colorado El Paso 41 High Satisfactory 2020 Flood Risk Reduction
Park Colorado Garfield 41 Significant Fair 1906 Irrigation
Garnet Mesa Colorado Delta 41 High Fair 1954 Recreation
Limon Watershed L-1 Colorado Lincoln 41 High Satisfactory 1964 Flood Risk Reduction
Highland #2 (North) Colorado Boulder 41 Significant Satisfactory 1881 Irrigation
Mckinley Clay Colorado Huerfano 41 Low Unsatisfactory 1911 Irrigation
Poose Creek Colorado Rio Blanco 41 Low Not Rated 1969 Recreation
Riverside Colorado Weld 41 High Satisfactory 1908 Irrigation
Apishapa Colorado Las Animas 41 High Unsatisfactory 1892 Fish and Wildlife Pond
Duke Lake Colorado Jefferson 41 Low Satisfactory 1972 Water Supply
Richard Warne Fld Ret Colorado Elbert 40 Low Unsatisfactory 1979 Flood Risk Reduction
Upper Stillwater Colorado Garfield 40 Low Satisfactory 1965 Recreation
Floodwater Ret Dam Ss-8 Colorado Sedgwick 40 Low Fair 1988 Flood Risk Reduction
Bergen East Colorado Jefferson 40 High Satisfactory 1874 Irrigation
Gobbo #2 Colorado Mesa 40 Low Not Rated 1940 Recreation
Boyd Lake Colorado Larimer 40 High Satisfactory 1900 Fish and Wildlife Pond
Southshore Senac Creek 1 Colorado Arapahoe 40 Low Not Rated 2005 Flood Risk Reduction
Guanella Colorado Clear Creek 40 High Satisfactory 2004 Water Supply
Dye Colorado Otero 40 Significant Fair 1903 Irrigation
W. Cherry Creek Det. #11 Colorado Douglas 40 Low Not Rated 1961 Flood Risk Reduction
Sylvan Colorado Grand 40 High Fair 1910 Irrigation
Love Ranch Evaporation Pond Colorado Rio Blanco 40 Low Not Rated 2006 Other
Tarryall Ranch Reservoir Dam Colorado Park 40 Low Not Rated 1977 Irrigation
Kelly Colorado Routt 40 Low Satisfactory 1964 Recreation
Knox Colorado Delta 40 Low Not Rated 1954 Irrigation
Belisle Colorado Arapahoe 40 Significant Fair 1953 Water Supply
St. Charles #2 Colorado Pueblo 40 High Satisfactory 1913 Water Supply
Morrison Raw Water Colorado Jefferson 40 High Satisfactory 1982 Water Supply
Jones #2 Colorado Grand 40 Low Not Rated 1887 Water Supply
Kiowa Crk Wtrshd F-18 Colorado El Paso 40 Low Not Rated 1958 Flood Risk Reduction

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.