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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
Paul No. 3 Wyoming Sheridan 22 Low Poor 1952 Water Supply
Hannah Mahoney No. 2 Wyoming Carbon 22 Low Fair 1909 Irrigation
Bruce No. F.S. 9-313-1 Wyoming Weston 22 Low Fair 1969 Fire Protection, Stock, Or ...
Full Moon Wyoming Campbell 22 Low Fair 1945 Irrigation
Diamond Spring Dam Wyoming Fremont 22 Low Fair 1994 Fire Protection, Stock, Or ...
Duck Nest Reservoir Wyoming Campbell 22 Low Fair 1998 Flood Risk Reduction
Bush Creek Wyoming Sweetwater 22 Low Poor 1945 Irrigation
Carey Detention Wyoming Laramie 22 High Fair 1984 Flood Risk Reduction
Morton No. F.S. 9-231-39 Wyoming Converse 22 Low Poor 1972 Fish and Wildlife Pond
Ulman No. 1 Wyoming Laramie 22 Low Fair 1970 Irrigation
Willits Wyoming Johnson 22 Low Fair 1940 Irrigation
Big Sandy Dike Wyoming Sweetwater 22 High Not Available 1952 Flood Risk Reduction
Big V Wyoming Natrona 22 Low Fair 1940 Recreation
Reynolds Piney Creek Diversion Dam Wyoming Johnson 22 Significant — 1969 Irrigation
Christina Wyoming Fremont 22 Significant — 1942 Irrigation
Jepson No. 2 Wyoming Johnson 22 Low Fair 1953 Irrigation
Taylor Nwsw 21-5783 Wyoming Sheridan 22 Low Fair 2002 Irrigation
Natural Bridge Wyoming Fremont 21 Low Poor — Fire Protection, Stock, Or ...
Berger Wyoming Crook 21 Low Fair 1954 Fire Protection, Stock, Or ...
Artesian Upper Wyoming Campbell 21 Low Fair 1951 Fire Protection, Stock, Or ...
Sturgeon No. 1 Wyoming Albany 21 Low Poor 1949 Irrigation
Haines Stock Wyoming Johnson 21 Low Fair 1963 Fire Protection, Stock, Or ...
Phil Wyoming Crook 21 Low Fair 1968 Fire Protection, Stock, Or ...
Chace No. 1 Wyoming Carbon 21 Low Poor 1955 Irrigation
Debatable Wyoming Fremont 21 Low Poor 1919 Irrigation
Spring Lake Wyoming Carbon 21 Low Fair 1970 Other
Wintermote No. 1 Wyoming Converse 21 Low Poor 1969 Irrigation
Fowler Wyoming Johnson 21 Low Fair 1956 Fire Protection, Stock, Or ...
Badura No. 1 Wyoming Park 21 Low Poor 1964 Irrigation
Harriett Freshwater #5 Wyoming Johnson 21 Low Fair 2023 Other
Harriett Freshwater #4 Wyoming Johnson 21 Low Fair 2023 Other
Snyder No. 1 Wyoming Big Horn 21 Low Fair 1995 Irrigation
002 - Shs Wyoming Campbell 21 Low Fair 2003 Irrigation
Sundby Wyoming Albany 21 Low Poor 1945 Irrigation
Walker Wyoming Niobrara 21 Low Fair 1972 Flood Risk Reduction
Enl, T55nr75w17swnw Wyoming Campbell 21 Low Poor 2008 Irrigation
Snyder No. 2 Wyoming Big Horn 21 Low Fair 1994 Irrigation
Nicolaysen No. 2 Wyoming Natrona 21 Low Fair 1909 Irrigation
Dilts Ranch 1-20 Wyoming Converse 21 Low Fair 2015 Other
Boulter Wyoming Sublette 21 Low Fair 1956 Irrigation
Red Arrow Storage Wyoming Crook 21 Low Poor 1962 Irrigation
R&D Brine Pond Wyoming Sweetwater 21 Significant Satisfactory 2022 Other
Durham 44-16-4472 Wyoming Campbell 21 Low Fair 1982 Irrigation
Mcfarland No. 3 Wyoming Natrona 21 Significant Poor 1911 Irrigation
North Jack Rabbit Wyoming Johnson 21 Low Fair 1969 Fire Protection, Stock, Or ...
Hubbard 3671-35 Mixed Used #4 Wyoming Converse 21 Low Satisfactory 2023 Other
West Fork Sand Coulee Dam Wyoming Park 21 Low Unsatisfactory 2003 Other
Leonard Degering Wyoming Niobrara 21 Low Poor 1979 Irrigation
Antelope Springs Dam Wyoming Fremont 21 Low Not Rated 1940 Fire Protection, Stock, Or ...
Gleason Reservoir No. 2 Wyoming Laramie 21 Low Poor 1909 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.