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 |
|---|---|---|---|---|---|---|---|
| Amwell No. 1 Dam | New Jersey | Hunterdon | 22 | Significant | Satisfactory | — | Recreation |
| Yards Creek Auxiliary Reservoir Dam | New Jersey | Warren | 22 | Low | Satisfactory | 1965 | Hydroelectric |
| Highland Lakes Dam | New Jersey | Sussex | 22 | High | Satisfactory | 1937 | Recreation |
| Fawn Lake Dam | New Jersey | Sussex | 22 | Significant | Poor | 1940 | Recreation |
| Campbells Pond Dam | New Jersey | Essex | 22 | Significant | Poor | 1899 | Water Supply |
| Echo Lake Spillway Dam | New Jersey | Passaic | 22 | High | Fair | 1926 | Water Supply |
| Lake Neepaulin Dam | New Jersey | Sussex | 22 | Significant | Satisfactory | 1927 | Recreation |
| Stony Brook W.S. Site 11 (Amwell) Dam | New Jersey | Hunterdon | 22 | Significant | Poor | 1963 | Flood Risk Reduction |
| Bells Lake Dam | New Jersey | Gloucester | 22 | Significant | Poor | 1928 | Recreation |
| Branchville Reservoir Dam | New Jersey | Sussex | 22 | Significant | Satisfactory | 1934 | Water Supply |
| High Crest Lake Dam | New Jersey | Passaic | 22 | High | Poor | 1952 | Recreation |
| Lake Arcadia Dam #1 | New Jersey | Passaic | 22 | High | Poor | 1926 | Recreation |
| Apshawa Main Dam | New Jersey | Passaic | 22 | Significant | Satisfactory | 1912 | Recreation |
| Clearwater Detention Dam | New Jersey | Union | 22 | High | Fair | 1994 | Flood Risk Reduction |
| Forest Hill Park Dam | New Jersey | Passaic | 22 | Significant | Satisfactory | — | Recreation |
| Rickabear Dam | New Jersey | Morris | 22 | Significant | Satisfactory | 1954 | Recreation |
| Donald R. Wheeler (Surprise Lake) Dam | New Jersey | Morris | 22 | High | Satisfactory | 1909 | Recreation |
| Longwood Lake Dam | New Jersey | Morris | 22 | High | Poor | 1898 | Recreation |
| Glen Wild Lake Dam | New Jersey | Passaic | 21 | Significant | Fair | 1918 | Recreation |
| Locust Lake Dam | New Jersey | Warren | 21 | High | Satisfactory | — | Recreation |
| Amphibious Lake Dam | New Jersey | Burlington | 21 | Low | Not Available | 1967 | Recreation |
| Lake Conway Dam | New Jersey | Sussex | 21 | High | Poor | 1958 | Recreation |
| Mcmillan Reservoir Dam | New Jersey | Bergen | 21 | Low | Fair | — | Recreation |
| Delaware Lake Dam | New Jersey | Warren | 21 | Low | Poor | — | Recreation |
| Yards Creek Upper - East Dike | New Jersey | Warren | 21 | High | Satisfactory | 1965 | Hydroelectric |
| Grenloch Lake Dam | New Jersey | Gloucester | 21 | Significant | Fair | 1907 | Recreation |
| Mill Pond Dam | New Jersey | Bergen | 21 | High | Fair | 1908 | Recreation |
| Bankbridge Dam | New Jersey | Gloucester | 21 | Low | Satisfactory | — | Recreation |
| Spooky Brook Dam | New Jersey | Somerset | 21 | Significant | Poor | 1971 | Recreation |
| Wreck Pond Dam | New Jersey | Monmouth | 20 | Low | — | — | Recreation |
| Matawan Lake Dam | New Jersey | Monmouth | 20 | High | Poor | 1923 | Recreation |
| Little Gloucester Dam | New Jersey | Camden | 20 | Significant | Poor | — | Recreation |
| Lake Topanemus Dam | New Jersey | Monmouth | 20 | High | Fair | 1915 | Recreation |
| Btmua Reservoir Dam | New Jersey | Ocean | 20 | High | Satisfactory | — | Water Supply |
| Merrill Creek Northwest Dike 2 | New Jersey | Warren | 20 | High | Satisfactory | — | Other |
| Elkinton Pond Dam | New Jersey | Salem | 20 | High | Poor | 1923 | Recreation |
| Birchwood Lake Dam | New Jersey | Morris | 20 | High | Poor | — | Recreation |
| Cliffwood Lake Dike | New Jersey | Sussex | 20 | Low | Fair | — | Recreation |
| Lake Tappan Dike | New Jersey | Bergen | 20 | Low | — | — | Water Supply |
| Kopycinski Pond Dam | New Jersey | Warren | 20 | Low | — | — | Recreation |
| New Jersey No Name # 88 Dam | New Jersey | Burlington | 20 | Low | — | — | Recreation |
| Openaka Lake Dam | New Jersey | Morris | 20 | Significant | Poor | 1750 | Recreation |
| Merrill Creek Northwest Dike 1 | New Jersey | Warren | 20 | High | Satisfactory | — | Other |
| Lake Panorama Dam | New Jersey | Sussex | 20 | Significant | Poor | 1957 | Recreation |
| Wadsworth Lake Dam | New Jersey | Gloucester | 20 | High | Poor | 1926 | Recreation |
| Cliffwood Lake Dam | New Jersey | Sussex | 20 | Low | Satisfactory | 1962 | Recreation |
| Assunpink #8 Dam | New Jersey | Mercer | 20 | High | Poor | — | Water Supply |
| Alloway Lake Dam | New Jersey | Salem | 20 | Significant | Satisfactory | 1949 | Recreation |
| Cub Lake Dam | New Jersey | Sussex | 20 | Significant | Satisfactory | — | Recreation |
| Lake Mohawk Dam | New Jersey | Sussex | 20 | High | Satisfactory | 1927 | 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.