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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.

Name State County Height (ft) Hazard Condition Year Purpose
Whalen Diversion Dam Wyoming Goshen 35 Low Not Available 1909
Jack Dam Wyoming Natrona 35 Low Unsatisfactory 1971 Debris Control
Harry L. Wolff No. 1 Wyoming Campbell 35 Low Fair 1999 Fire Protection, Stock, Or ...
Madonna Wyoming Johnson 35 Low Poor 1973 Fire Protection, Stock, Or ...
East No. 1 Beardsley Wyoming Niobrara 35 Low Poor 1959 Fire Protection, Stock, Or ...
Ketchum Butte Wyoming Carbon 35 Low Poor 2001 Fire Protection, Stock, Or ...
Perkins & Kinney Wyoming Park 35 Low Poor 1923 Irrigation
Enl. Dixon Wyoming Johnson 35 Low Fair 1956 Fish and Wildlife Pond
Allen Wyoming Sheridan 35 Low Poor 1955 Irrigation
Big Pike Dam Wyoming Natrona 35 Low Unsatisfactory 1965 Debris Control
Albert Wardell No. 1 Wyoming Big Horn 35 Low Poor 1973 Irrigation
Cedar Gulch Wyoming Sheridan 35 Low Fair 2005 Irrigation
One Mile Wyoming Laramie 35 Significant Poor 1907 Irrigation
Shear Enlargement of Cochrun Wyoming Crook 35 Low Fair 2017 Fire Protection, Stock, Or ...
Alkali Dam Wyoming Fremont 35 Low Unsatisfactory 1964 Fire Protection, Stock, Or ...
Case Wyoming Johnson 35 Low Poor 1991 Irrigation
Alkali Dam Wyoming Natrona 35 Low Fair 1967 Debris Control
Snyder Wyoming Park 35 Low Satisfactory 2000 Irrigation
Bagley Brothers Wyoming Platte 35 Low — 1941 Irrigation
Lone Tree Wyoming Albany 35 Low Poor 1947 Irrigation
Wildcat No. 2 Wyoming Niobrara 35 Low Fair 1955 Irrigation
Iron Mountain Wyoming Albany 35 Low Fair 1910 Irrigation
Bar M No. 1 Wyoming Albany 34 Low — 1961 Irrigation
Kiewit No. 2 Wyoming Sheridan 34 Low Fair 1973 Irrigation
Cook No. 2 Wyoming Albany 34 Low Fair 2001 Fish and Wildlife Pond
Bischoff Creek Wyoming Big Horn 34 Low Fair 1974 Irrigation
Miller No. 1 Wyoming Platte 34 Low Poor 1949 Irrigation
Dwight Wyoming Johnson 34 Low Fair 1953 Irrigation
Brock Wyoming Johnson 34 Low Poor 1964 Irrigation
Gammon Wyoming Johnson 34 Low Poor 1974 Irrigation
Dana Meadows Wyoming Carbon 34 Low Poor 1957 Fire Protection, Stock, Or ...
Boulder Lane Wyoming Johnson 34 Low Fair 2007 Irrigation
Crooked Creek Detention Dam Wyoming Washakie 34 Low Poor 2003 Water Supply
Rulon Wyoming Crook 34 Low Fair 2006 Fish and Wildlife Pond
Enl. Rocky Road Wyoming Johnson 34 Low Fair 2007 Irrigation
Red Spires Detention Wyoming Big Horn 34 Low Unsatisfactory 2003 Other
Piedmont Wyoming Uinta 34 Low Poor 1902 Irrigation
Cce 3468-13 Fresh Water # 2 Off Channel Wyoming Converse 34 Low Satisfactory 2023 Other
Al Capone Wyoming Campbell 34 Low Fair 2007 Fish and Wildlife Pond
Washakie Dike No. 2 Wyoming Fremont 34 Undetermined Satisfactory 1935 Irrigation
Canon No. 4 Wyoming Albany 34 Low Fair 1959 Irrigation
Donlin Detention Dam Wyoming Natrona 34 Low Fair 1955 Fire Protection, Stock, Or ...
Key Bar Water Hole #1 Wyoming Platte 34 Low Fair 2011 Irrigation
Lachapelle Enl. of Ben Res. Wyoming Uinta 34 Low Fair 1997 Irrigation
Sand Draw No. 1 Dam Wyoming Natrona 34 Low Not Rated 1961 Debris Control
Ramsbottom Wyoming Johnson 34 Low Poor 1970 Fire Protection, Stock, Or ...
Gary Wyoming Campbell 34 Low Poor 1952 Irrigation
Busch Wyoming Converse 34 Low Fair 1965 Irrigation
Highway Wyoming Johnson 34 Low Fair 1973 Irrigation
Parks No. 1 Wyoming Campbell 34 Low Unsatisfactory 1915 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.