Browse Dams

831 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 831 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
Longwood Lake Dam New Jersey Morris 22 High Poor 1898 Recreation
Forest Hill Park Dam New Jersey Passaic 22 Significant Satisfactory - Recreation
Highland Lakes Dam New Jersey Sussex 22 High Satisfactory 1937 Recreation
Apshawa Main Dam New Jersey Passaic 22 Significant Satisfactory 1912 Recreation
Lake Neepaulin Dam New Jersey Sussex 22 Significant Satisfactory 1927 Recreation
Lake Arcadia Dam #1 New Jersey Passaic 22 High Poor 1926 Recreation
High Crest Lake Dam New Jersey Passaic 22 High Poor 1952 Recreation
Echo Lake Spillway Dam New Jersey Passaic 22 High Fair 1926 Water Supply
Fawn Lake Dam New Jersey Sussex 22 High Poor 1940 Recreation
Fox Lake Dam New Jersey Morris 22 High Satisfactory 1926 Recreation
Branchville Reservoir Dam New Jersey Sussex 22 Significant Satisfactory 1934 Water Supply
Amwell No. 1 Dam New Jersey Hunterdon 22 Significant Satisfactory - Recreation
Clearwater Detention Dam New Jersey Union 22 High Fair 1994 Flood Risk Reduction
Campbells Pond Dam New Jersey Essex 22 Significant Poor 1899 Water Supply
Bells Lake Dam New Jersey Gloucester 22 Significant Poor 1928 Recreation
Donald R. Wheeler (Surprise Lake) Dam New Jersey Morris 22 High Poor 1909 Recreation
Rickabear Dam New Jersey Morris 22 Significant Satisfactory 1954 Recreation
Yards Creek Auxiliary Reservoir Dam New Jersey Warren 22 Low Satisfactory 1965 Hydroelectric
Mill Pond Dam New Jersey Bergen 21 High Fair 1908 Recreation
Spooky Brook Dam New Jersey Somerset 21 Significant Poor 1971 Recreation
Glen Wild Lake Dam New Jersey Passaic 21 Significant Fair 1918 Recreation
Mcmillan Reservoir Dam New Jersey Bergen 21 Low Fair - Recreation
Lake Conway Dam New Jersey Sussex 21 High Poor 1958 Recreation
Amphibious Lake Dam New Jersey Burlington 21 Low Not Available 1967 Recreation
Delaware Lake Dam New Jersey Warren 21 Low Poor - Recreation
Locust Lake Dam New Jersey Warren 21 High Satisfactory - Recreation
Bankbridge Dam New Jersey Gloucester 21 Low Satisfactory - Recreation
Grenloch Lake Dam New Jersey Gloucester 21 Significant Fair 1907 Recreation
Yards Creek Upper - East Dike New Jersey Warren 21 High Satisfactory 1965 Hydroelectric
Laidlaws Pond Dam New Jersey Sussex 20 Low Satisfactory 1998 Recreation
Little Gloucester Dam New Jersey Camden 20 Significant Poor - Recreation
Bear Brook Dam New Jersey Essex 20 Significant Satisfactory 1979 Water Supply
Wadsworth Lake Dam New Jersey Gloucester 20 High Poor 1926 Recreation
Lake Topanemus Dam New Jersey Monmouth 20 High Fair 1915 Recreation
Btmua Reservoir Dam New Jersey Ocean 20 High Satisfactory - Water Supply
Kopycinski Pond Dam New Jersey Warren 20 Low - - Recreation
Sunset Lake Dam New Jersey Cumberland 20 High Fair 1927 Recreation
Erskine Upper Lake Dam New Jersey Passaic 20 High Fair 1932 Recreation
Wreck Pond Dam New Jersey Monmouth 20 Low - - Recreation
Cliffwood Lake Dam New Jersey Sussex 20 Low Satisfactory 1962 Recreation
Kelly Dam New Jersey Salem 20 Low - 1957 Irrigation
Forest Lake Dam New Jersey Sussex 20 High Satisfactory 1951 Recreation
New Jersey No Name # 88 Dam New Jersey Burlington 20 Low - - Recreation
Merrill Creek Northwest Dike 1 New Jersey Warren 20 High Satisfactory - Other
Cantys Lake Dam New Jersey Morris 20 Significant Satisfactory 1928 Recreation
Lake Vreeland Dam New Jersey Bergen 20 High Poor 1917 Recreation
Echo Lake Dam New Jersey Union 20 Significant Satisfactory 1930 Recreation
Cub Lake Dam New Jersey Sussex 20 Significant Satisfactory - Recreation
Upper Sylvan Lake Dam New Jersey Burlington 20 Significant Satisfactory 1941 Recreation
Crandon Lake Dam New Jersey Sussex 20 High Satisfactory 1959 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.