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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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
D.O.E. Rocky Flats C-2 Colorado Jefferson 45 Low Not Available 1979 Other
Loch Lomond Colorado Clear Creek 45 High Fair 1963 Irrigation
Burgess #1 Colorado Teller 45 Significant Fair 1965 Recreation
Loukonen Brothers Colorado Boulder 45 Low Not Rated 1961 Irrigation
Durango Terminal Colorado La Plata 45 High Satisfactory 1954 Water Supply
St. Charles Mesa #2 Colorado Pueblo 44 High Satisfactory 1980 Water Supply
Franktown Parker Fpm-1 Colorado Douglas 44 Low Fair 1962 Flood Risk Reduction
Chaffee Gulch Detention Dam #6 Colorado Ouray 44 Low Fair 1965 Debris Control
Baseline - East Colorado Boulder 44 High Satisfactory 1905 Irrigation
J. O. Hill Colorado Douglas 44 Significant Satisfactory 1964 Recreation
Elk Lake #1 Colorado Teller 44 Low Fair 1971 Recreation
Beaver-Huffington Colorado Mesa 44 Low Not Rated 1957 Irrigation
Winslow Colorado Routt 44 Low Not Rated 1998 Recreation
Gobbo #1 Colorado Mesa 44 Significant Fair 1973 Irrigation
Hankison Colorado Grand 44 Low Fair 1951 Irrigation
Cortez #1 Colorado Montezuma 44 Significant Fair 1938 Water Supply
W. Cherry Creek Det. #7 Colorado Douglas 44 Low Unsatisfactory 1959 Flood Risk Reduction
Currier #2 Colorado Mesa 44 Significant Fair 1968 Irrigation
Chambers Reservoir Colorado Douglas 43 High Fair 2012 Water Supply
Little Hell Creek Diversion Dam Colorado Larimer 43 Low Not Available 1952 Hydroelectric
Hallenbeck #1 Colorado Mesa 43 High Satisfactory 1970 Water Supply
Prewitt Colorado Washington 43 High Unsatisfactory 1912 Irrigation
Florence South Res. No. 2 Colorado Fremont 43 High Satisfactory — Water Supply
E. Beckwith #1 Colorado Gunnison 43 Low Satisfactory 1935 Irrigation
Camp Alexander Colorado Park 43 Low Fair 1964 Recreation
Windy Gap Colorado Grand 43 Significant Unsatisfactory 1985 Irrigation
Barr Lake Colorado Adams 43 High Satisfactory 1893 Irrigation
Trout Lake Colorado San Miguel 43 High Fair 1910 Hydroelectric
Kiowa Crk Wtrshd 1-G-10 Colorado Elbert 43 Low Not Rated 1957 Flood Risk Reduction
Fairmount Reservoir Colorado Jefferson 43 High Satisfactory 1993 Water Supply
Chapman Reservoir Colorado Pitkin 43 High Not Rated 1938 Recreation
Heart Lake Colorado Garfield 43 High Fair 1953 Recreation
South Boulder Diversion Intake Dam Colorado Boulder 43 Low Fair 1936 Water Supply
Lake Arrowhead Colorado Gunnison 43 Significant Fair 1979 Recreation
Fisher Canon Colorado El Paso 43 High Fair 1929 Water Supply
Floodwater Ret Dam Ss-7 Colorado Sedgwick 43 Low Satisfactory 1982 Flood Risk Reduction
Julesburg #3 Colorado Sedgwick 43 High Unsatisfactory 1910 Irrigation
Victor #2 Colorado Teller 43 Significant Unsatisfactory 1897 Water Supply
Windsor Colorado Weld 43 High Satisfactory 1978 Irrigation
Saliba Lake Colorado Huerfano 42 Low Fair 1907 Irrigation
Fishers Canyon Debris Basin Dam Colorado El Paso 42 High Fair 1999 Flood Risk Reduction
Margaret Spurgeon #1 Colorado Boulder 42 Significant Satisfactory 1963 Irrigation
North Poudre # 6 Colorado Larimer 42 High Satisfactory 1905 Irrigation
Black Hollow Colorado Weld 42 High Satisfactory 1918 Irrigation
Aubert Colorado Mesa 42 Low Not Rated 1974 Recreation
Lake Ann Colorado Pitkin 42 High Fair 1912 Irrigation
Summit - Main Dam Colorado Montezuma 42 High Unsatisfactory 1905 Irrigation
Chapel Hills #2 Colorado El Paso 42 High Satisfactory 1984 Flood Risk Reduction
Spring Creek Dam Colorado Jackson 42 Low Poor 1978 Fish and Wildlife Pond
Noonen Colorado Arapahoe 42 Low Satisfactory 1907 Irrigation

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.