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Browse Dams

1,492 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,492 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.

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Name State County Height (ft) Hazard Condition Year Purpose
Township Line (Airport Road) Pennsylvania Chester 34 High Fair 1935 Recreation
Taylor Run Pennsylvania Tioga 33 Low Not Rated — Other
Bradys Run Pennsylvania Beaver 33 High Poor 1949 Recreation
Butler Hunt Club Pennsylvania Butler 33 High Not Available 1968 Fish and Wildlife Pond
Poe Pennsylvania Centre 33 High Satisfactory 1938 Recreation
Hemlock Lake Pennsylvania Monroe 33 High Fair 1950 Recreation
Acme (Pa-657) Pennsylvania Westmoreland 33 High Satisfactory 1975 Recreation
Van Meter Pennsylvania Crawford 33 Significant Poor — Recreation
Spring Brook Intake Pennsylvania Lackawanna 33 High Fair 1894 Water Supply
Keister Pennsylvania Fayette 33 Low Not Rated 1900 Recreation
Feldman (Pa-420) Pennsylvania Wayne 33 High Fair 1961 Flood Risk Reduction
Cherry Valley Pennsylvania Washington 33 High Poor 1947 Recreation
Belmont Pennsylvania Lackawanna 33 High Poor 1903 Water Supply
Sandy Run Pennsylvania Cambria 33 High Poor 1964 Recreation
Grays Landing Lock and Dam Pennsylvania Greene 33 Significant Not Available 1995 Navigation
Shickshinny Lake Pennsylvania Luzerne 33 High Poor 1965 Recreation
Lake Hauto Pennsylvania Carbon 33 High Satisfactory 1914 Recreation
Kyle Pennsylvania Jefferson 33 High Satisfactory 1910 Recreation
Campbells Ledge Pennsylvania Luzerne 33 Significant Fair 1906 Recreation
Biddle Hollow Reservoir Pennsylvania Blair 33 Low Not Rated 1911 Water Supply
Mathies Sediment Pond No 5 Pennsylvania Washington 33 Significant Fair 1982 Other
Braddock Locks and Dam Pennsylvania Allegheny 33 Significant Not Available 1905 Navigation
Pine Creek (North Park Lake) Pennsylvania Allegheny 33 High Fair 1936 Recreation
Slovene Camp Pennsylvania Lawrence 33 Low Not Rated 1966 Recreation
Schneider 2 Pennsylvania Butler 32 Low Not Available 1980 Fish and Wildlife Pond
Baker Pennsylvania Susquehanna 32 Low Fair 1963 Recreation
Bailey Mine Area No. 3 Saddle D Pennsylvania Greene 32 High Satisfactory 2014 Other
Cherry Tree Farm Pennsylvania York 32 Significant Satisfactory 1980 Irrigation
Caledonia Water Company Pennsylvania Franklin 32 Significant Fair 1967 Water Supply
Detention Pond Pennsylvania Lehigh 32 Low Fair 1984 Other
Laurel Hill Lake Pennsylvania Somerset 32 High Satisfactory 1940 Recreation
Royal Reservoir Pennsylvania Fayette 32 Significant Not Rated 1908 Recreation
Lake Walter Pennsylvania Susquehanna 32 High Fair 1968 Recreation
Donegal Pennsylvania Westmoreland 32 High Satisfactory 1967 Recreation
Klingerman Pennsylvania Columbia 32 Significant Not Rated — Recreation
Lake Somerset Pennsylvania Chester 32 High Fair 1969 Recreation
Luzerne Coal CO Wetland Pennsylvania Fayette 32 Low Not Rated — Recreation
Beaver Lake Pennsylvania Wayne 32 Significant Fair 1962 Recreation
Hills Creek Pennsylvania Tioga 32 High Satisfactory 1951 Recreation
Cowans Gap Pennsylvania Fulton 32 High Satisfactory 1936 Recreation
Fairmount Pennsylvania Philadelphia 32 Significant Satisfactory 1927 Water Supply
Hosensack No 4 Pennsylvania Lehigh 32 Significant Fair 1885 Recreation
Bailey Sediment Pond No 1 Pennsylvania Greene 32 High Satisfactory — Other
Greenwood Lake Pennsylvania Schuylkill 32 High Poor 1880 Recreation
Mine 33 Sed Pond No. 1 Pennsylvania Cambria 32 Low Not Available — Other
Allegheny River Lock and Dam 7 Pennsylvania Armstrong 32 Low Not Available 1931 Navigation
Sky View Lake (Pa-440) Pennsylvania Pike 32 High Fair 1964 Flood Risk Reduction
Crystal Lake Pennsylvania Luzerne 32 High Satisfactory 1888 Water Supply
North Low Dissolved Solids Imp Pennsylvania Beaver 32 Significant Satisfactory 1974 Other
Roamingwood Lake Pennsylvania Wayne 32 High Satisfactory 1971 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.