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Browse Dams

830 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 830 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
Hunterdon Learning Center Dam New Jersey Hunterdon 35 Low — 1971 Recreation
Cupsaw Lake Dam New Jersey Passaic 35 High Poor 1930 Recreation
Scenic Lake Dam New Jersey Sussex 35 Low Poor — Recreation
Union Lake Dam New Jersey Cumberland 35 High Poor 1869 Recreation
Yards Creek Lower - Auxiliary Dike New Jersey Warren 35 High Satisfactory 1965 Hydroelectric
Pleasant Valley Lake Dam New Jersey Morris 35 High Satisfactory 1933 Recreation
Stiers Pond Dam New Jersey Warren 34 Significant Poor — Recreation
Lake Tappan Dam New Jersey Bergen 34 High Satisfactory 1966 Water Supply
Farrington Dam New Jersey Middlesex 34 High Fair 1926 Water Supply
Macopin Reservoir Dam New Jersey Morris 34 High Poor 1892 Water Supply
Orange Reservoir Dam New Jersey Essex 34 High Fair 1958 Water Supply
Bear Pond Dam D New Jersey Sussex 33 Low Satisfactory 1905 Recreation
East Branch Reservoir Dam New Jersey Somerset 33 High Satisfactory 1905 Recreation
Munson Dam New Jersey Salem 32 Low Fair 1934 Water Supply
Echo Lake Intake Dam New Jersey Passaic 32 High Fair 1926 Water Supply
Lake Windsor Dam New Jersey Sussex 32 Low Satisfactory 1959 Recreation
Mcvicker'S Brook Dam New Jersey Morris 32 Significant Poor — Recreation
Pleasant Valley Lake Dam New Jersey Sussex 31 High Poor — Recreation
Silver Lake Dam New Jersey Middlesex 31 Low Satisfactory 1923 Recreation
Assunpink # 6 Dam New Jersey Mercer 31 High Satisfactory 1975 Flood Risk Reduction
Parsippany Dike New Jersey Morris 30 High Satisfactory 1905 Water Supply
Laurel Springs Dam New Jersey Camden 30 Low Satisfactory — Recreation
Bass Lake Dam New Jersey Warren 30 High Satisfactory 1911 Recreation
Overflow Weir Dam New Jersey Passaic 30 High Satisfactory 1928 Water Supply
Kakeout Dam New Jersey Morris 30 High Satisfactory 1938 Water Supply
Pompton Lakes Dam New Jersey Passaic 30 High Satisfactory 1908 Water Supply
George Lake Dam New Jersey Morris 30 Significant Poor 1909 Recreation
Mine Hill Reservoir Dam New Jersey Morris 30 Significant Poor 1896 Water Supply
Yardley Road Lake Dam New Jersey Morris 30 High Fair — Flood Risk Reduction
New Jersey No Name # 50 Dam New Jersey Warren 30 Low — — Irrigation
Cranbury S. River Basin B1 Dam New Jersey Middlesex 30 Low — — Flood Risk Reduction
Paulinskill Water Shed #2 Dam New Jersey Sussex 29 High Satisfactory 1959 Flood Risk Reduction
Canoe Brook Reservoir #2 Dam New Jersey Essex 29 High Satisfactory 1948 Water Supply
Lake Lenape Dam New Jersey Atlantic 29 High Poor 1879 Recreation
Green Swamp #1 Dam New Jersey Passaic 29 High Satisfactory 1926 Water Supply
Marlu Lake Dam New Jersey Monmouth 29 Low Fair 1965 Irrigation
Paulinskill Lake Dam New Jersey Sussex 29 Significant Satisfactory 1927 Recreation
Clove River Dam New Jersey Sussex 28 High Fair 1932 Recreation
Great Gorge Dam New Jersey Sussex 28 High Satisfactory 1971 Water Supply
Stony Brook #3 (Rosedale Lake) Dam New Jersey Mercer 28 Low Satisfactory — Flood Risk Reduction
Chester Pond Dam New Jersey Morris 28 Low Satisfactory 1993 Flood Risk Reduction
Stony Brook Water Shed #7 (Hunt Lake) Dam New Jersey Mercer 28 High Poor 1959 Irrigation
Carnegie Lake Dam New Jersey Mercer 28 Significant Satisfactory 1900 Recreation
Deer Trail Lake Dam New Jersey Sussex 28 Significant Satisfactory — Recreation
Everwood Pond Dam New Jersey Warren 28 Low — 1960 Recreation
Lake Lenape Dam New Jersey Sussex 27 High Satisfactory 1931 Recreation
Lionshead Lake Dam New Jersey Passaic 27 High Poor 1939 Recreation
Jaqui Mill Dam New Jersey Morris 27 High Poor 1920 Flood Risk Reduction
Robinson'S Branch Reservoir Dam New Jersey Union 27 High Satisfactory 1907 Water Supply
New Street Reservoir Dam New Jersey Passaic 26 High Fair 1925 Water Supply

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.