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Browse Dams

1,498 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,498 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
Wjs Wyoming Campbell 23 Low Fair 2002 Irrigation
Horsley Draw Stock Wyoming Sheridan 23 Low Poor 1939 Fire Protection, Stock, Or ...
Arrowhead Wyoming Crook 23 Low Poor 1956 Fire Protection, Stock, Or ...
No. 3 Tailings Wyoming Sweetwater 23 Low Fair 1980 Tailings
Rocky Gulch Stock Wyoming Campbell 23 Low Poor 1967 Fire Protection, Stock, Or ...
Experiment Station Wyoming Laramie 23 Low Fair 1932 Irrigation
Rule Wetland North Wyoming Johnson 23 Low Fair 2001 Fish and Wildlife Pond
West Side No. 4 Wyoming Converse 23 Low Fair 1946 Irrigation
Barnds Stock Wyoming Campbell 23 Low Fair 1980 Flood Risk Reduction
Laramore Wyoming Campbell 23 Low Fair 2009 Irrigation
Tornado Fed 4778-5 Mixed Use 1 Wyoming Johnson 23 Low Fair 2023 Other
Bear Dam Wyoming Natrona 23 Low Fair 1970 Debris Control
Logan Jct. Detention Dam Wyoming Fremont 23 Low Unsatisfactory 1952 Fire Protection, Stock, Or ...
Three T No 1 Dam Wyoming Natrona 23 Low Poor 1960 Other
Ketelsen #9-219-2 Wyoming Converse 23 Low Poor 1987 Fish and Wildlife Pond
Cellers Wildlife 9-499-3 Wyoming Weston 23 Low Not Rated 1960 Fish and Wildlife Pond
Bates Creek Wyoming Natrona 23 Significant Poor 1910 Irrigation
Satellite No. 2 Purge Storage Wyoming Converse 23 Low Fair 1979 Irrigation
Thunder Basin No 10 Wyoming Campbell 23 Low Not Rated 1938 Fire Protection, Stock, Or ...
Mullen Wyoming Campbell 22 Low Poor 1970 Fire Protection, Stock, Or ...
House Wyoming Weston 22 Low Poor 1970 Water Supply
Bruce Wyoming Johnson 22 Low Fair 1956 Fire Protection, Stock, Or ...
Meer Wyoming Carbon 22 Low Poor 1953 Irrigation
Nicolaysen Wyoming Natrona 22 Significant Fair 1899 Irrigation
Werner Wyoming Converse 22 Low Poor 1950 Irrigation
Huntington Wyoming Sheridan 22 Low Poor 1906 Irrigation
Pfister No. 2 Wyoming Niobrara 22 Low Fair 1952 Irrigation
Story No. 1 Wyoming Niobrara 22 Low Poor 1961 Irrigation
Thomas No. 1 Wyoming Weston 22 Low Poor 1914 Irrigation
Kafka No. 1 Wyoming Albany 22 Low Fair 1969 Irrigation
Old Smuggler Wyoming Albany 22 Low Fair 1956 Irrigation
Swan Creek No. 7 Wyoming Park 22 Low Poor 1911 Irrigation
Longeley Wyoming Niobrara 22 Low Poor 1972 Irrigation
Taylor No. 2 Wyoming Johnson 22 Significant Fair 1987 Irrigation
Durham Wyoming Campbell 22 Low Poor 1973 Irrigation
Big Donaldson Wyoming Johnson 22 Low Fair 1973 Fire Protection, Stock, Or ...
Austin No. 1 Wyoming Johnson 22 Low Poor 1991 Fire Protection, Stock, Or ...
Houston Wyoming Crook 22 Low Poor 1966 Recreation
Johnson #3 Wyoming Niobrara 22 Low Poor 1944 Fire Protection, Stock, Or ...
Mary No. 2 Wyoming Johnson 22 Low Fair 1973 Fire Protection, Stock, Or ...
Helen Wyoming Converse 22 Low Fair 1966 Flood Risk Reduction
Newland No. 4 Wyoming Crook 22 Low Poor 1955 Fire Protection, Stock, Or ...
Robber'S Roost Wyoming Weston 22 Low Fair 1955 Irrigation
John Arambel Wyoming Sublette 22 Low Fair — Fire Protection, Stock, Or ...
Ward Ball Wyoming Sublette 22 Low Fair 1965 Irrigation
Mcleod Wyoming Campbell 22 Low Fair 1957 Fire Protection, Stock, Or ...
Rate & Huson Wyoming Sheridan 22 Low Poor 1910 Irrigation
Dm No. 1 Wyoming Washakie 22 Low Fair 1983 Fire Protection, Stock, Or ...
Sand Lake Wyoming Carbon 22 Significant Fair 1956 Irrigation
Hepp Wyoming Johnson 22 Low Poor 1964 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.