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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
Hayden Raw Water Ponds Colorado Routt 36 Low Not Rated 1965 Water Supply
Lagerman Colorado Boulder 36 High Satisfactory 1878 Fish and Wildlife Pond
Grimes Colorado Montezuma 36 Low Not Rated 1947 Irrigation
Cottonwood Colorado Grand 36 Low Satisfactory 1961 Irrigation
Big Sandy Creek Watershed S-22 Colorado Elbert 36 Low Satisfactory 1959 Flood Risk Reduction
Ryan Gulch Colorado Larimer 36 Significant Satisfactory 1950 Irrigation
Big Sandy Creek Watershed S-19 Colorado Elbert 36 Low Fair 1959 Flood Risk Reduction
Albion Lake Colorado Boulder 36 Significant Fair 1913 Water Supply
Nottingham Colorado Eagle 36 Significant Fair 1936 Irrigation
Parker Basin #3 Colorado Mesa 36 High Fair 1899 Irrigation
Mckelvie #1 Colorado Mesa 36 Low Not Rated 1911 Irrigation
Beltz #2 Colorado Teller 36 Low Satisfactory 1969 Irrigation
Floodwater Ret Dam Ss-1 Colorado Sedgwick 36 Low Fair 1980 Flood Risk Reduction
Kiowa Crk Wtrshd 3-D-10 Colorado Elbert 36 Low Not Rated 1957 Flood Risk Reduction
Joe Wilson Recr. Colorado Teller 36 Low Not Rated 1964 Recreation
Fox Acres #2 Colorado Larimer 36 Low Not Rated 1972 Recreation
Welsh Colorado Eagle 36 Significant Satisfactory 1915 Irrigation
Bottle Stomp Colorado Montrose 36 Low Not Rated 1955 Irrigation
Hallenbeck #2 Colorado Mesa 36 High Fair 1943 Water Supply
Boehmer Colorado El Paso 36 Low Not Rated 1893 Water Supply
Cottonwood Detention Dam Colorado Fremont 36 Low Fair 1956 Fire Protection, Stock, Or ...
Mack Mesa Colorado Mesa 36 Low Fair 1952 Recreation
Francis Smart Colorado Jefferson 36 Low Not Rated 1892 Irrigation
Harwood'S Storage Reservoir Colorado Jefferson 36 Significant Satisfactory 1955 Recreation
Floodwater Ret Dam Ss-5 Colorado Sedgwick 36 Low Not Rated 1985 Flood Risk Reduction
Poso Detention Dam Colorado Conejos 36 Low Not Rated 1963 Flood Risk Reduction
Totten Colorado Montezuma 36 High Fair 1965 Irrigation
Y T Ranch Colorado Mesa 35 High Unsatisfactory 1911 Recreation
Grimes Brooks Colorado Routt 35 High Fair 1903 Irrigation
Kiowa Crk Wtrshd 1-U-20 Colorado Elbert 35 Low Not Rated 1958 Flood Risk Reduction
Silver Dollar Colorado Clear Creek 35 Low Not Rated —
Lunney Colorado Rio Blanco 35 Low Fair 1904 Irrigation
Fox Acres Colorado Larimer 35 Low Not Rated 1971 Irrigation
Franktown Parker Fpe-3 Colorado El Paso 35 Low Not Rated 1965 Flood Risk Reduction
Fairplay Colorado Park 35 Low Not Rated 1938 Other
Monument #1 Colorado Mesa 35 Significant Fair 1960 Irrigation
Ryan Colorado Las Animas 35 Low Fair 1955 Irrigation
Mountain Supply # 1 Colorado Larimer 35 Low Fair 1904 Flood Risk Reduction
Marys Lake Dike 2 Colorado Larimer 35 High Not Available 1949 Hydroelectric
Brittingham, John Colorado Elbert 35 Low Not Rated 1971 Flood Risk Reduction
Rule Creek Colorado Teller 35 Low Not Rated 1939 Recreation
Reynolds Colorado Delta 35 Low Not Rated 1950 Irrigation
Perry Colorado Weld 35 Low Not Rated 1955 Irrigation
Dowdy Lake Colorado Larimer 35 Significant Satisfactory 1962 Recreation
Big Creek #3 Colorado Mesa 35 High Fair 1893 Irrigation
Florence South Res. No. 1 Colorado Custer 35 High Fair 1904 Water Supply
W. Cherry Creek Det. #9 Colorado Douglas 35 Low Fair 1960 Flood Risk Reduction
Alessi Flood Control Dam Colorado Huerfano 35 High Fair 1970 Flood Risk Reduction
Leuchte #2 Colorado Las Animas 35 Low Fair 1973 Fish and Wildlife Pond
Willow Colorado Delta 35 Low Fair 1948 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.