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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
Massae Wyoming Uinta 24 Low Fair 1968 Irrigation
Ella Wyoming Albany 24 Low Poor 1963 Irrigation
Homestead Flat Detention Dam Wyoming Fremont 24 Low Poor — Water Supply
Snider No. 1 Town Draw Wyoming Sheridan 24 Low Fair 1961 Fire Protection, Stock, Or ...
Patra No. 3 Wyoming Campbell 24 Low Poor 1925 Fire Protection, Stock, Or ...
Settling Basin Wyoming Lincoln 24 Low Fair 1985 Debris Control
Sore Finger Wyoming Big Horn 24 Low Fair 1965 Fire Protection, Stock, Or ...
Biscuit Wyoming Niobrara 24 Low Poor 1977 Irrigation
Harriett 4777-7 Freshwater #3 Wyoming Johnson 24 Low Fair 2023 Other
Tipperary Wyoming Uinta 24 Low Poor 1928 Irrigation
Washington Memorial Wyoming Crook 24 High Fair 1987 Irrigation
Eastdale Creek Detention No.1 Wyoming Natrona 24 Low Fair 2008 Flood Risk Reduction
Bob'S Sport Fishing Wyoming Carbon 24 Low Poor 1975 Fish and Wildlife Pond
Stonebridge Wyoming Park 24 Significant Fair 1905 Irrigation
Big Dam Wyoming Campbell 24 Low Fair — Fire Protection, Stock, Or ...
Bad Land No. 2 Wyoming Niobrara 24 Low Poor 1965 Irrigation
Hubbard 3671-35 Mixed Use 5 Wyoming Converse 24 Low Satisfactory 2023 Other
Casper Parks No.2 Wyoming Natrona 24 Significant Fair 1988 Irrigation
Jack Creek Wyoming Carbon 24 Low Poor 1919 Irrigation
Wenande No. F.S. 9-117-2 Wyoming Campbell 24 Low Fair 1968 Fire Protection, Stock, Or ...
Enl. Johnson 42-27-4377 Wyoming Johnson 24 Low Fair — Fire Protection, Stock, Or ...
Upton-Osage No. F.S. 9-498-33 Wyoming Weston 24 Low Fair 1973 Fish and Wildlife Pond
T55nr76w19sesw Wyoming Sheridan 24 Low Poor 1960 Fire Protection, Stock, Or ...
Middle Piney Lake Dam Wyoming Sublette 24 High Poor 1940 Recreation
East Iron Creek Dam Wyoming Weston 24 Low Not Rated 1996 Fish and Wildlife Pond
Foster No. 1 Dam 1a (2nd Enl.) Wyoming Park 24 Low Poor 1953 Irrigation
Culek Wyoming Laramie 23 Low Fair 1967 Irrigation
Rosean Wyoming Weston 23 Low Fair 1955 Fire Protection, Stock, Or ...
Thompson Wyoming Carbon 23 Low Poor 1923 Irrigation
Reese Wyoming Platte 23 Low Fair 2007 Fish and Wildlife Pond
Campbell No. 2 Wyoming Niobrara 23 Low Fair 1963 Fire Protection, Stock, Or ...
Thomas No. 2 Wyoming Weston 23 Low Poor 1948 Irrigation
Davis Wyoming Campbell 23 Low Fair 1965 Irrigation
Westside Wyoming Campbell 23 High Fair 2012 Flood Risk Reduction
Shell Creek Wyoming Natrona 23 Low Poor 1944 Irrigation
Dodd Wyoming Sheridan 23 Low Poor 1952 Irrigation
G-K Wyoming Natrona 23 Low Fair 1963 Irrigation
Bucknum Wyoming Natrona 23 Low Poor 1908 Irrigation
Oshoto Wyoming Crook 23 Low Fair 1954 Irrigation
Moncreiffe Wyoming Sheridan 23 Low Fair 1954 Fire Protection, Stock, Or ...
Provost No. 2 Wyoming Niobrara 23 Low Fair 1962 Fire Protection, Stock, Or ...
Lady Emma Wyoming Natrona 23 Low — 1917 Irrigation
Wyoming Wyoming Campbell 23 Low Fair 2006 Irrigation
Fivemile No.1 Wyoming Weston 23 Low Fair 1954 Fire Protection, Stock, Or ...
Silver Lake Wyoming Carbon 23 Low Fair 1931 Irrigation
Belknap Creek No. 4 Wyoming Park 23 Low Fair 1917 Irrigation
Warner No. 2 Wyoming Converse 23 Low Poor 1952 Irrigation
Bush Wyoming Crook 23 Low Poor 1967 Irrigation
Edgerton Stock Wyoming Campbell 23 Low Fair 1953 Fire Protection, Stock, Or ...
Eagle Canyon Wyoming Natrona 23 Low Poor 1924 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.