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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
Hunters Lake Pennsylvania Sullivan 27 High Fair 1970 Recreation
Agronomy Farm Pond Pennsylvania Centre 27 Low Not Available 1967 Irrigation
Doverspike Brothers Pennsylvania Jefferson 27 Low Not Rated — Other
Solebury Farm Pennsylvania Bucks 27 High Fair 1953 Recreation
Dinsmore No 2 Pennsylvania Washington 27 High Satisfactory 1909 Recreation
Minsi Lake Pennsylvania Northampton 27 High Satisfactory 1970 Recreation
Cadjaw Pond Pennsylvania Wayne 27 High Poor 1914 Recreation
Spring Mill Pennsylvania Lehigh 27 Low Fair 1900 Water Supply
Kehm Run Pennsylvania York 27 Significant Fair 1954 Recreation
Cokeburg Pennsylvania Washington 27 High Poor 1902 Recreation
Glenwood Lake Pennsylvania Lackawanna 27 High Satisfactory 1930 Recreation
Warrior Ridge Pennsylvania Huntingdon 27 Low Satisfactory 1906 Hydroelectric
Stanford Avenue Detention Basin Pennsylvania Berks 27 High Fair 1978 Flood Risk Reduction
Hidden Valley Pennsylvania Butler 27 Low Not Available 1974 Recreation
Greenwalt Pennsylvania Westmoreland 27 Significant Not Rated 1990 Recreation
Lukavick Pennsylvania Butler 27 Low Not Available 1969 Recreation
Garrett (Pa-413) Pennsylvania Wayne 27 High Fair 1970 Flood Risk Reduction
Star Lake Pennsylvania Susquehanna 26 High Fair — Recreation
Trax Farms Pennsylvania Washington 26 High Fair 1963 Irrigation
Lake Jean Pennsylvania Luzerne 26 High Fair 1950 Recreation
Millwater Pennsylvania Berks 26 High Fair 1955 Recreation
Reynoldsville Storage #5 Pennsylvania Jefferson 26 High Poor 1901 Water Supply
Irrigation Pond Pennsylvania Adams 26 Low Not Rated 1989 Irrigation
Richardson Pennsylvania Washington 26 High Satisfactory 1976 Recreation
Kubalak Pennsylvania Bedford 26 Significant Not Rated — Recreation
White Oak Pond Pennsylvania Wayne 26 High Fair 1830 Recreation
Freethy Pennsylvania Wayne 26 High Fair 1820 Recreation
Stony Garden Reservoir Pennsylvania Monroe 26 Low Not Rated 1912 Water Supply
Barnett Pennsylvania Lancaster 26 High Fair — Recreation
Walker Farm Lagoon Pennsylvania Chester 26 High Satisfactory 2002 Other
Rock Hollow Road Pennsylvania Berks 26 Low Poor 1969 Recreation
Rose Valley Lake Pennsylvania Lycoming 26 High Fair 1972 Recreation
Lake Saxony Pennsylvania Butler 26 High Fair 1958 Irrigation
Ambrose Mine Pennsylvania Armstrong 26 Low Not Rated — Other
Woodridge Lake Pennsylvania Washington 26 High Satisfactory 1957 Irrigation
Licking Creek Pennsylvania Juniata 26 High Fair — Water Supply
Keen Lake Pennsylvania Wayne 26 High Poor 1851 Recreation
Mine No 84 - Pond 6 West Dike Pennsylvania Washington 26 High Satisfactory — Other
Bells Lakes Pennsylvania Washington 26 Significant Fair 1964
Long Run Reservoir No 1 Pennsylvania Carbon 26 High Fair 1885 Water Supply
Hankins Pond Pennsylvania Wayne 26 High Unsatisfactory 1830 Recreation
No 1 Dam Pennsylvania Schuylkill 26 Low Not Rated 1915 Recreation
Johnston Pennsylvania Butler 26 Low Not Rated 1978 Recreation
Reynolds Pond Pennsylvania Susquehanna 26 Low Not Available 1972 Recreation
Waynesburg Lakes Pennsylvania Greene 26 Low Fair — Recreation
G Pennsylvania Luzerne 25 Significant Fair 1916 Water Supply
Ebenezer Pennsylvania Lebanon 25 Significant Satisfactory 1820 Recreation
Morris Run No 3 Pennsylvania Tioga 25 High Poor 1920 Water Supply
Timber Lake B Pennsylvania Washington 25 Low Fair 1956 Recreation
Hockenberry Run Pennsylvania Clearfield 25 Low Not Rated 1980 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.