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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
Bonny Dam Colorado Yuma 158 High Not Available 1951 Flood Risk Reduction
Rifle Gap Dam Colorado Garfield 157 High Not Available 1967 Irrigation
Mountain Home Colorado Costilla 153 High Satisfactory 1908 Irrigation
Loveland Water Storage Colorado Larimer 152 High Satisfactory 1977 Water Supply
Eleven Mile Canyon Colorado Park 151 High Satisfactory 1932 Water Supply
East Branch Colorado Grand 150 Significant Satisfactory 1971 Water Supply
Stagecoach Colorado Routt 150 High Satisfactory 1988 Water Supply
Jerry Creek #2 Colorado Mesa 150 High Satisfactory 1978 Water Supply
Chatfield Dam Colorado Douglas 148 High Not Available 1973 Flood Risk Reduction
Joe Wright Colorado Larimer 148 High Satisfactory 1979 Water Supply
Groundhog Colorado Dolores 141 High Fair 1939 Irrigation
Sanchez Colorado Costilla 137 High Unsatisfactory 1911 Irrigation
Fortune Colorado Jefferson 134 High Satisfactory 2001 Water Supply
Crystal Creek Colorado El Paso 133 High Fair 1934 Water Supply
Rattlesnake Dam Colorado Larimer 130 High Not Available 1952 Irrigation
Lake Hope Colorado San Miguel 130 Low Satisfactory 1910 Hydroelectric
Middle Fork Colorado Garfield 130 High Satisfactory 1984 Flood Risk Reduction
Willow Creek BOR CO Dam Colorado Grand 127 High Not Available 1953 Irrigation
Willow Creek Forebay Dam Colorado Grand 127 Low Not Available 1953
Meadow Creek Colorado Grand 126 High Satisfactory 1974 Water Supply
Ritschard Colorado Grand 126 High Fair 1995 Irrigation
Mc Lellan Colorado Arapahoe 125 High Fair 1964 Water Supply
Blunn Colorado Jefferson 125 High Satisfactory 1979 Water Supply
Manitou Colorado El Paso 124 High Fair 1971 Water Supply
Standley Lake Colorado Jefferson 123 High Satisfactory 1913 Irrigation
Milton Seaman Colorado Larimer 120 High Satisfactory 1948 Water Supply
Continental Colorado Hinsdale 120 High Satisfactory 1927 Irrigation
Rosemont Colorado Teller 120 Significant Satisfactory 1961 Water Supply
Ute Creek Colorado Grand 119 Low Not Rated 1976 Water Supply
Elkhead Creek Colorado Moffat 118 High Satisfactory 1979 Fish and Wildlife Pond
John Martin Dam - Fort Lyon Protective Works Colorado Bent 118 High Not Available 1943 Flood Risk Reduction
Rio Grande Colorado Hinsdale 117 High Satisfactory 1914 Irrigation
Fall River Colorado Clear Creek 114 High Fair 1974 Irrigation
Narraguinnep - Main Dam Colorado Montezuma 114 High Unsatisfactory 1908 Irrigation
Beaver Park Colorado Rio Grande 114 High Satisfactory 1912 Recreation
Rawhide Colorado Larimer 113 High Satisfactory 1980 Water Supply
Palisade Cabin Colorado Mesa 113 High Fair 1956 Water Supply
Beaver Colorado Gunnison 113 High Fair 1958 Irrigation
Montgomery Colorado Park 112 High Satisfactory 1956 Water Supply
Upper Urad Colorado Clear Creek 111 Low Not Rated 1965 Water Supply
Lester Creek Colorado Routt 110 High Fair 1962 Recreation
Ice Lake Colorado Clear Creek 110 Low Not Rated 1900 Irrigation
Floodwater Ret. B-6 Colorado Larimer 110 Significant Satisfactory 1977 Flood Risk Reduction
Long Hollow Colorado La Plata 110 High Satisfactory 2014 Irrigation
Juniata Colorado Mesa 110 High Satisfactory 1979 Water Supply
Robinson Colorado Eagle 110 High Satisfactory 1936 Tailings
Yamcolo Colorado Garfield 110 High Fair 1980 Irrigation
Onion Valley Colorado Montrose 110 High Fair 1954 Irrigation
Park Creek Colorado Larimer 108 High Satisfactory 1970 Irrigation
Two Buttes Colorado Baca 106 High Satisfactory 1908 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.