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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
Miller Wyoming Johnson 50 Low Poor 1955 Fire Protection, Stock, Or ...
Solid Waste Disposal Cell J Wyoming Sweetwater 50 Low Fair 2011 Tailings
Windmill No. 1 Wyoming Niobrara 50 Low Poor 1956 Fire Protection, Stock, Or ...
Western Gas Resources No. 8 Wyoming Johnson 50 Low Fair 2004 Irrigation
Shell Creek Wyoming Big Horn 50 High — 1957 Irrigation
Glendo Dike 1 Wyoming Platte 50 High Not Available 1959 Flood Risk Reduction
Enl. P3-2 Wyoming Campbell 50 Low Poor 2008 Fire Protection, Stock, Or ...
Wyoming Development Company No. 1 Wyoming Platte 49 Significant Fair 1960 Irrigation
P16-5 Reservoir Wyoming Campbell 49 Low Poor 2006 Irrigation
Bow & Arrow 4-25 Wyoming Campbell 49 Low Poor 1972 Fire Protection, Stock, Or ...
Neil Wyoming Johnson 49 Low Fair 2008 Irrigation
Kaufmann Wyoming Johnson 49 Low Poor 1954 Irrigation
Rush Creek Wyoming Park 49 Low Poor 1973 Irrigation
South Ricketts Flat Wyoming Johnson 48 Low Fair 1972 Irrigation
Loco Creek Wyoming Carbon 48 Low Fair 2004 Fire Protection, Stock, Or ...
Little Robber Det. Dam X Wyoming Carbon 48 High Poor 1953 Debris Control
Nw Pearson Wyoming Campbell 48 Low Fair 1970 Irrigation
T.E.C. Wyoming Natrona 48 Significant Fair 1910 Fire Protection, Stock, Or ...
Rawlins Wyoming Carbon 47 Low Fair 1956 Water Supply
Pond 1 Wyoming Sweetwater 47 Low Fair 1981 Tailings
Padlock Wastewater Recovery Wyoming Sheridan 47 Low Fair 1985 Irrigation
Enl. Sutherland Wyoming Laramie 47 Low Fair 1990 Irrigation
North Windmill Wyoming Campbell 47 Low Fair 2006 Irrigation
Smiley Reservoir Wyoming Carbon 47 Low Poor 2000 Water Supply
Calpet Cell #9 Wyoming Sublette 47 Low Fair 2008 Other
Twin No. 1 Wyoming Johnson 47 Low Poor 1957 Fire Protection, Stock, Or ...
Pole Creek Irrigation Wyoming Johnson 47 Significant Poor 1972 Irrigation
Reynolds No. 1 Wyoming Sheridan 46 Low Fair 1972 Irrigation
Shoshone Lake Wyoming Fremont 46 High Fair 1959 Irrigation
Solid Waste Disposal Cell D Wyoming Sweetwater 46 Low Fair 1977 Tailings
North Crow Diversion Wyoming Laramie 46 Significant Fair 1910 Water Supply
Kane 01-07-5781 Wyoming Sheridan 46 Low Fair 2007 Irrigation
Enl. George H. Marshall Wyoming Johnson 46 Low Fair 2007 Irrigation
Jim Bridger Fgd Spent Liquor Pond No. 2 Wyoming Sweetwater 46 Significant Fair 1990 Other
Ruff Detention Dam Wyoming Park 46 Low Unsatisfactory 2003 Other
Enlargement of Worthen Meadows Wyoming Fremont 46 High — 1958 Water Supply
New Deal No. 1 Wyoming Niobrara 46 Low Poor 1972 Irrigation
Spencer Wyoming Weston 45 Significant Poor 1952 Irrigation
Leavitt Wyoming Big Horn 45 High Poor 1956 Irrigation
Flathead Wyoming Washakie 45 Significant Poor 1979 Irrigation
Big Horn Dike A Wyoming Johnson 45 High Fair 1964 Irrigation
Kilpatrick Wyoming Crook 45 Low — 1971 Fire Protection, Stock, Or ...
Kiewit Stockade Creek No. 1 Wyoming Sheridan 45 Low Poor 1968 Irrigation
Deep Gulch Wyoming Carbon 45 Low Fair 2006 Fire Protection, Stock, Or ...
Pissolio No. 1 Wyoming Weston 45 Low Poor 1909 Irrigation
Lazy Y No. 1 Wyoming Converse 45 Low Poor 1957 Fire Protection, Stock, Or ...
Lake Creek Wyoming Hot Springs 45 Low Fair 1938 Irrigation
Canon No. 5 Wyoming Albany 45 Low Fair 1963 Irrigation
Moslander Wyoming Uinta 45 Low Poor 1948 Irrigation
Solid Waste Disposal Cell F Wyoming Sweetwater 45 Low Poor 1978 Other

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.