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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
Kelly Dam New Jersey Salem 20 Low — 1957 Irrigation
K-L-P Dam New Jersey Salem 20 Significant Fair 1963 Recreation
Blackwells Mills Dam New Jersey Somerset 20 Significant Satisfactory — Flood Risk Reduction
Forest Lake Dam New Jersey Sussex 20 High Satisfactory 1951 Recreation
Openaka Lake Dam New Jersey Morris 20 Significant Poor 1750 Recreation
Cub Lake Dam New Jersey Sussex 20 Significant Satisfactory — Recreation
Merrill Creek Northwest Dike 2 New Jersey Warren 20 High Satisfactory — Other
Matawan Lake Dam New Jersey Monmouth 20 High Poor 1923 Recreation
New Jersey No Name # 88 Dam New Jersey Burlington 20 Low — — Recreation
Lake Topanemus Dam New Jersey Monmouth 20 High Fair 1915 Recreation
Lake Vreeland Dam New Jersey Bergen 20 High Poor 1917 Recreation
Crandon Lake Dam New Jersey Sussex 20 High Satisfactory 1959 Recreation
Hemlock Lake Dam New Jersey Sussex 20 Significant Poor 1951 Recreation
Sunset Lake Dam New Jersey Cumberland 20 High Fair 1927 Recreation
Barbours Pond Dam New Jersey Passaic 20 Significant Fair 1888 Recreation
Lake Panorama Dam New Jersey Sussex 20 Significant Poor 1957 Recreation
Echo Lake Dam New Jersey Union 20 Significant Satisfactory 1930 Recreation
Upper Sylvan Lake Dam New Jersey Burlington 20 Significant Satisfactory 1941 Recreation
Surprise Lake Dam New Jersey Union 20 Low Satisfactory 1928 Recreation
Upper Greenwood Lake Dam New Jersey Passaic 20 High Satisfactory 1932 Recreation
Lake Cushetunk Dam New Jersey Hunterdon 20 Significant Fair 1928 Recreation
Laidlaws Pond Dam New Jersey Sussex 20 Low Satisfactory 1998 Recreation
Imlaystown Lake Dam New Jersey Monmouth 20 Significant Poor 1925 Fire Protection, Stock, Or ...
Merrill Creek Northwest Dike 1 New Jersey Warren 20 High Satisfactory — Other
Birchwood Lake Dam New Jersey Morris 20 High Poor — Recreation
Cantys Lake Dam New Jersey Morris 20 Significant Satisfactory 1928 Recreation
Cliffwood Lake Dike New Jersey Sussex 20 Low Fair — Recreation
Alloway Lake Dam New Jersey Salem 20 Significant Satisfactory 1949 Recreation
Prospertown Dam New Jersey Ocean 19 High Poor 1966 Flood Risk Reduction
Atsion Lake Dam New Jersey Burlington 19 High Poor 1930 Recreation
Clementon Lake Dam New Jersey Camden 19 High Satisfactory — Recreation
Sullivan Pond Dam New Jersey Hunterdon 19 High Fair 1959 Recreation
Timber Lake Dam New Jersey Burlington 19 High Satisfactory 1955 Recreation
Rock Island Lake Dam New Jersey Sussex 19 Significant Poor 1940 Recreation
Lake Ashroe Dam New Jersey Sussex 19 Significant Satisfactory 1972 Recreation
Mullica Hill Pond Dam New Jersey Gloucester 19 Significant Satisfactory 1922 Recreation
Deer Park Pond Dam New Jersey Warren 19 Significant Satisfactory — Recreation
Lake Susquehanna Dam New Jersey Warren 19 Low — 1926 Recreation
Rocco Bunlno Dam New Jersey Bergen 19 Significant Satisfactory 1956 Recreation
Layton'S Lake Dam New Jersey Salem 19 Significant Satisfactory 1972 Recreation
Laurel Lake Dam New Jersey Cumberland 19 Low Poor 1927 Recreation
Watchung Lake Dam New Jersey Somerset 19 High Satisfactory — Recreation
Morris Lake Dam New Jersey Sussex 19 High Satisfactory 1895 Water Supply
Indian Lake Dam New Jersey Morris 19 Low Satisfactory 1921 Recreation
Lake Estling Dam New Jersey Morris 19 High Poor 1870 Recreation
Darlington Lake Dam New Jersey Bergen 19 Significant Fair 1951 Recreation
Amwell #2 Dam New Jersey Hunterdon 19 Significant Satisfactory — Recreation
Centennial Lake Dam New Jersey Burlington 18 High Poor — Recreation
Old Morris Canal Dam New Jersey Morris 18 Significant Satisfactory 1932 Recreation
Barnegat Lake Dam New Jersey Ocean 18 High Fair 1937 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.