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Browse Dams

1,633 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,633 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
Olmsted Locks and Dam Illinois Ballard 67 Significant Not Available 2018 Navigation
Silver Bay LLC Lake Dam Illinois St. Clair 67 Low Not Available 1991 Other
Knight Hawk Coal/Praire Eagle Mine/010b Slurry Dam Illinois Perry 66 Significant Not Available 2006 Tailings
Eagle Ridge West Pond Dam Illinois Jo Daviess 66 Low Not Available 1997 Recreation
Springfield Coal/Orient 4/East Slurry Imp Illinois Williamson 66 High Not Available 1985 Other
Peabody Coulterville/Gateway/Slurry Cell 5 Dam Illinois Randolph 66 Low Not Available — Other
Crab Orchard Dam Illinois Williamson 65 High Fair 1939 Fish and Wildlife Pond
Clinton Power Station/Clinton Lake Dam Illinois De Witt 65 High Not Available 1977 Recreation
Peabody Lake Illinois Schuyler 65 Low Not Available 1965 Other
Lake Sara Dam Illinois Effingham 65 Significant Not Available 1957 Recreation
Bazzoni Lake Dam Illinois LaSalle 65 Low Not Available 1989 Recreation
Lockport Lock and Controlling Works Illinois Will 65 High Not Available 1933 Navigation
Little Rocky Run Lake Dam Illinois Hancock 64 Significant Not Available 1971 Flood Risk Reduction
Cobblestone Lake Dam Illinois Peoria 64 Low Not Available 1993 Recreation
Boyles Lake Dam Illinois Tazewell 63 Low Not Available 1972 Recreation
Mississippi River Lock and Dam 19 Illinois Lee 63 Significant Not Available 1913 Navigation
Doyle Lake Dam Illinois Adams 62 High Not Available 1994 Fish and Wildlife Pond
Jennifer Creek Reservoir Dam Illinois Hancock 62 Low Not Available 1971 Flood Risk Reduction
Tiskilwa Strucure 2 Dam Illinois Bureau 61 High Not Available 1960 Flood Risk Reduction
Tower Lake Dam Illinois Madison 61 Significant Not Available 1964 Other
Lutticken Lake Dam Illinois Tazewell 60 Low Not Available 1959 Recreation
Tiskilwa Structure 5 Dam Illinois Bureau 60 High Not Available 1960 Flood Risk Reduction
Smallpox Creek Dam Illinois Jo Daviess 60 High Not Available 1974 Recreation
Maas Dam Illinois Fulton 60 Low Not Available 1999 Recreation
Fieldstone Subdivision Twin Dams-South Dam Illinois Adams 59 Low Not Available 2001 Recreation
Springfield Coal/Industry/3s Illinois McDonough 59 Low Not Available 1984 Other
Bay Creek #8 Illinois Pope 59 Significant Not Rated 1977 Flood Risk Reduction
Tiskilwa Structure 4 Dam Illinois Bureau 59 High Not Available 1960 Flood Risk Reduction
Tom Steele Dam Illinois Rock Island 59 High Not Available 2005 Recreation
Macoupin Energy Smith Reservoir Dam Illinois Macoupin 58 High Not Available 1969 Recreation
Argyle Lake Dam Illinois McDonough 58 Significant Not Available 1949 Recreation
Walnut Point Dam Illinois Peoria 58 Low Not Available — Fish and Wildlife Pond
Lake of The Woods Dam Illinois Peoria 58 Significant Not Available 1964 Recreation
Mitchell Lake Dam Illinois Tazewell 58 Low Not Available 1959 Recreation
White Oak Lake Dam Illinois Woodford 58 Low Not Available 1983 Recreation
Little Cache Creek No. 1 Illinois Johnson 58 Significant Not Rated 1974 Recreation
Marseilles Lock and Dam Illinois LaSalle 58 Significant Not Available 1933 Navigation
Santa Fe Lake Dam Illinois Peoria 57 Significant Not Available 1965 Recreation
Canton City Lake Dam Illinois Fulton 57 High Not Available 1939 Recreation
Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2 Illinois Clinton 56 High Not Available 1990 Other
Shabbona Lake Dam Illinois DeKalb 56 Low Not Available 1974 Other
Lake Camelot Dam Illinois Peoria 56 High Not Available 1970 Recreation
Liberty Land/Mine 26/Slurry Cell 4 Dam Illinois Franklin 56 Low Not Available 1997 Other
Unimin Tailings Pond O Dam Illinois LaSalle 56 Low Not Available 2010 Tailings
Lake Glenn Shoals Dam Illinois Montgomery 56 Significant Not Available 1978 Flood Risk Reduction
Heritage Lake Dam Illinois Tazewell 56 Significant Not Available 1968 Recreation
Smithland Locks and Dam Illinois Livingston 56 Significant Not Available 1980 Navigation
Lake of Egypt Dam Illinois Williamson 55 High Not Available 1962 Other
Deer Park Lake Dam Illinois LaSalle 55 Significant Not Available 1910 Recreation
Siloam Springs Lake Dam Illinois Adams 55 Low Not Available 1955 Recreation

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.