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Browse Dams

83 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 83 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
Edgar M. Hoopes Dam Delaware New Castle 127 High Satisfactory 1932 Water Supply
Newark Reservoir Dam Delaware New Castle 70 High Fair 2005 Water Supply
Carousel Pond Dam Delaware New Castle 36 High Satisfactory — Recreation
New Castle County Water Farm Wastewater Lagoon Delaware New Castle 29 High Fair — Other
Records Pond Dam Delaware Sussex 25 High Satisfactory 1900 Fish and Wildlife Pond
Rock Manor Golf Course Dam Delaware New Castle 24 High Fair 2007 Flood Risk Reduction
City of Wilmington Sewage Lagoon Delaware New Castle 21 High Fair — Other
Becks Pond Dam Delaware New Castle 21 High Fair — Fish and Wildlife Pond
City of Wilmington Sludge Disposal Area Delaware New Castle 20 High Fair — Other
Tailings Pond No. 3 Dam Getty Oil Delaware New Castle 20 Low Not Rated 1960 Other
Coursey Pond Dam Delaware Kent 20 High Fair 1967 Fish and Wildlife Pond
Horseys Pond Dam Delaware Sussex 19 High Fair 1956 Fish and Wildlife Pond
Mccauley Pond Dam Delaware Kent 19 Significant Fair — Fish and Wildlife Pond
Silver Lake Dam - Middletown Delaware New Castle 18 High Fair 1931 Recreation
Andrews Lake Dam Delaware Kent 18 Significant Fair — Fish and Wildlife Pond
Wagamons Pond Dam Delaware Sussex 17 High Fair 1815 Fish and Wildlife Pond
Haven Lake Dam Delaware Kent 17 High Fair — Fish and Wildlife Pond
Diamond Pond Dam Delaware Sussex 17 Low Not Rated — Recreation
Christiana Lake Dam Delaware New Castle 17 Low Not Rated 1907 Water Supply
Wiggins Mill Pond Dam Delaware New Castle 17 High Not Rated 1965 Recreation
Silver Lake Dam - Dover Delaware Kent 17 High Fair 1944 Recreation
Killen Pond Dam Delaware Kent 16 Low Not Rated 1969 Recreation
Mcginnis Pond Dam Delaware Kent 16 High Fair — Fish and Wildlife Pond
Mudmill Pond Dam Delaware Kent 15 High Fair — Fish and Wildlife Pond
City of Laurel Sewage Lagoon Delaware Sussex 15 High Fair — Other
Tailings Pond No. 1 Dam Getty Oil Delaware New Castle 15 Low Not Rated 1960 Other
Tailings Pond No. 2 Dam Getty Oil Delaware New Castle 15 Low Not Rated 1960 Other
Blairs Pond Dam Delaware Kent 15 High Fair — Fish and Wildlife Pond
Bellevue Lake Dam Delaware New Castle 15 High Not Rated 1933 Water Supply
Abbotts Pond Dam Delaware Sussex 15 High Fair 1960 Fish and Wildlife Pond
Lake Como Dam Delaware Kent 15 High Fair 1938 Recreation
Millsboro Pond Dam Delaware Sussex 15 High Poor 1920 Fish and Wildlife Pond
Concord Pond Dam Delaware Sussex 14 High Fair — Fish and Wildlife Pond
Voshell Pond Dam Delaware Kent 14 High Not Rated 1969 Recreation
Hearns Pond Dam Delaware Sussex 14 High Satisfactory 1912 Fish and Wildlife Pond
Noxontown Pond Dam Delaware New Castle 14 Low Not Rated 1966 Recreation
Craigs Pond Delaware Sussex 14 Low Fair — Fish and Wildlife Pond
Trap Pond Dam Delaware Sussex 14 High Fair 1938 Recreation
Marshall Millpond Dam Delaware Sussex 14 Significant Fair — Recreation
Chipman Pond Dam Delaware Sussex 14 High Fair 1915 Fish and Wildlife Pond
Williams Pond Dam Delaware Sussex 14 High Fair 1956 Recreation
Moores Lake Dam Delaware Kent 14 Significant Fair 1967 Fish and Wildlife Pond
Canal Farms Dam Delaware New Castle 13 Low Not Rated 1962 Flood Risk Reduction
Sunset Lake Dam Delaware New Castle 13 High Not Rated 1900 Recreation
Silver Lake Dam - Milford Delaware Kent 13 High Fair 1964 Fish and Wildlife Pond
City of Laurel Sewage Lagoon Delaware Sussex 13 High Fair 1964 Other
Edgemoor Reservoir Dam Delaware New Castle 13 High Not Rated 1908 Water Supply
City of Laurel Sewage Lagoon Delaware Sussex 13 High Fair 1964 Other
Wyoming Lake Dam Delaware Kent 13 High Fair 1925 Recreation
Town of Middletown Wastewater Lagoon Delaware New Castle 13 High Fair — 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.