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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
Assunpink #20 Dam New Jersey Mercer 26 High Satisfactory — Flood Risk Reduction
Peapack-Gladstone Res Dam New Jersey Morris 26 Low Poor — Water Supply
River Wall Dam New Jersey Passaic 26 High Poor 1961 Recreation
New Street Reservoir Dam New Jersey Passaic 26 High Fair 1925 Water Supply
Mount Paul Dam New Jersey Morris 26 High Satisfactory 1918 Recreation
Cifrese Dam New Jersey Morris 26 Low Satisfactory — Flood Risk Reduction
Amwell No. 3 Dam New Jersey Hunterdon 26 Significant Satisfactory 1970 Recreation
New Jersey No Name # 3 Dam New Jersey Gloucester 25 Low — — Recreation
Stump Pond Dam New Jersey Sussex 25 High Poor — Recreation
Blue Mt Lake Dam New Jersey Sussex 25 Low Not Available 1963 Recreation
Haledon Reservoir Dam New Jersey Passaic 25 High Satisfactory 1919 Other
Assunpink #21 Dam New Jersey Mercer 25 High Satisfactory — Flood Risk Reduction
Lake Barylick Dam New Jersey Warren 25 Low — 1965 Recreation
Hopkins Lake Dam New Jersey Camden 25 Significant Poor — Recreation
Yards Creek Upper - S. W. Dike New Jersey Warren 25 High Satisfactory 1965 Hydroelectric
Gropps Lake Dam New Jersey Mercer 25 Low Satisfactory 1900 Recreation
Glen Lake Dam New Jersey Gloucester 25 Low — 1900 Recreation
Oradell Reservoir Dam New Jersey Bergen 25 High Fair 1922 Water Supply
Hidden Valley Lake Dam New Jersey Sussex 25 Significant Satisfactory 1967 Recreation
New Jersey No Name # 14 Dam New Jersey Sussex 25 Low — — Water Supply
Don Bosco Dam New Jersey Sussex 25 Low Satisfactory 1962 Recreation
Canoe Brook Reservoir #1 Dam New Jersey Essex 25 High Satisfactory 1929 Water Supply
Steenykill Lake Dam New Jersey Sussex 25 High Fair 1938 Recreation
Stony Brook #4 (Curlis Lake) Dam New Jersey Mercer 24 Low Satisfactory 1959 Flood Risk Reduction
Cream Ridge Dam New Jersey Monmouth 24 Low — 1971 Irrigation
Assunpink #4 Dam New Jersey Monmouth 24 High Poor — Flood Risk Reduction
Lake Sonoma Dam New Jersey Passaic 24 Low — 1948 Recreation
Skyline Lake #2 (Upper) Dam New Jersey Passaic 24 High Satisfactory 1946 Recreation
Paulins Kill Site 4 Dam New Jersey Sussex 24 High Satisfactory 1961 Flood Risk Reduction
J. Seward Johnson Dam New Jersey Hunterdon 24 Low Poor 1967 Irrigation
Shay Lake Dam New Jersey Sussex 24 Low Satisfactory — Recreation
Almonesson Lake Dam New Jersey Gloucester 24 Significant Poor 1926 Recreation
Shackamaxon Dam New Jersey Union 24 High Fair — Irrigation
Saffin Pond Dam New Jersey Morris 24 Significant Fair 1930 Recreation
Lindy'S Lake Dam New Jersey Passaic 24 High Satisfactory — Recreation
Jutland Dam New Jersey Hunterdon 24 Significant Poor 1930 Recreation
Bennetts Mills Dam New Jersey Ocean 23 Significant Satisfactory — Recreation
Untermeyer Dam New Jersey Morris 23 High Satisfactory 1927 Recreation
Nishisakawick Creek Dam New Jersey Hunterdon 23 Low Fair 1930 Recreation
Emilio Perona Dam New Jersey Sussex 23 Low — — Recreation
Tall Pines Farm Dam New Jersey Sussex 23 Significant Satisfactory 1957 Recreation
Panther Valley Village # 6 Dam New Jersey Warren 23 Significant Satisfactory — Flood Risk Reduction
Millhurst Lake Dam New Jersey Monmouth 23 High Satisfactory 1915 Recreation
Robert Rooke Dam New Jersey Sussex 23 High Satisfactory 1963 Recreation
New Jersey No Name #31 Dam New Jersey Hunterdon 23 High Satisfactory — Other
Liberty Lake Dam New Jersey Warren 23 Significant Poor — Flood Risk Reduction
Rickabear Dam New Jersey Morris 22 Significant Satisfactory 1954 Recreation
Fox Lake Dam New Jersey Morris 22 High Satisfactory 1926 Recreation
Clearwater Detention Dam New Jersey Union 22 High Fair 1994 Flood Risk Reduction
Bells Lake Dam New Jersey Gloucester 22 Significant Poor 1928 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.