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.
| Name | State | County | Height (ft) | Hazard | Condition | Year | Purpose |
|---|---|---|---|---|---|---|---|
| Pinecliff Lake Dam | New Jersey | Passaic | 15 | High | Fair | 1927 | Recreation |
| Wallkill Lake Dam | New Jersey | Sussex | 15 | Low | Fair | 1930 | Recreation |
| Devoe Lake Dam | New Jersey | Middlesex | 15 | High | Satisfactory | 1935 | Recreation |
| Hipps Folley Dam | New Jersey | Burlington | 15 | Low | Not Available | 1967 | Recreation |
| Smoyer Park Dam | New Jersey | Mercer | 15 | Significant | Satisfactory | - | |
| Gale Dam | New Jersey | Burlington | 15 | Low | Poor | 1970 | Recreation |
| Sallys Pond Dam | New Jersey | Passaic | 15 | High | Fair | - | Recreation |
| Jefferson Lake Dam | New Jersey | Sussex | 15 | Low | Poor | - | Recreation |
| Long Pine Pond Dam | New Jersey | Sussex | 15 | Low | Not Available | 1995 | Recreation |
| Lake Panorama Dike | New Jersey | Sussex | 15 | High | Poor | 1987 | Recreation |
| Mountain Lake Dam | New Jersey | Morris | 15 | High | Satisfactory | - | Recreation |
| Hemlock Pond Dam | New Jersey | Sussex | 15 | Low | - | - | Recreation |
| Grover's Mill Dam | New Jersey | Mercer | 15 | Significant | Fair | 1931 | Recreation |
| Lake Marcia Dam | New Jersey | Sussex | 15 | Low | - | - | Recreation |
| Mount Laurel Lake Dam | New Jersey | Passaic | 15 | Low | - | 1930 | Recreation |
| Brown Dam | New Jersey | Salem | 15 | Low | Fair | 1934 | Water Supply |
| Jackson Pond Dam | New Jersey | Union | 15 | Significant | Satisfactory | - | Other |
| Harrisonville Dam | New Jersey | Gloucester | 15 | Significant | Poor | - | Recreation |
| East Cove Dam | New Jersey | Sussex | 15 | High | Fair | - | Recreation |
| Colesville Reservoir Dam | New Jersey | Sussex | 15 | Significant | Poor | - | Water Supply |
| Osborn Mills Dam | New Jersey | Somerset | 15 | Significant | Satisfactory | - | Water Supply |
| Preakness Hills C.C. Dam No. 1 | New Jersey | Passaic | 15 | High | Satisfactory | - | Recreation |
| Boonton Reservoir Dam | New Jersey | Morris | 15 | Significant | Satisfactory | 1900 | Water Supply |
| Lake Lackawanna Dam | New Jersey | Sussex | 15 | Significant | Fair | 1910 | Recreation |
| Upper East Highland Lake Dam | New Jersey | Sussex | 15 | Significant | Satisfactory | 1957 | Recreation |
| Red Valley Dam | New Jersey | Monmouth | 15 | Significant | Poor | 1927 | Recreation |
| Green Pond Reservoir Dam | New Jersey | Morris | 15 | Low | - | - | Recreation |
| New Camp Site Dam | New Jersey | Camden | 15 | Low | Fair | 1946 | Recreation |
| Ewans Mill Dam | New Jersey | Gloucester | 15 | Significant | Poor | - | Recreation |
| Mill Dam | New Jersey | Burlington | 15 | Low | Poor | 1908 | Recreation |
| Mt. Hope Pond Dam | New Jersey | Morris | 15 | Significant | Poor | 1930 | Recreation |
| New Jersey No Name # 85 Dam | New Jersey | Burlington | 15 | Low | - | 1950 | Recreation |
| Fayson Lakes (West) Dam | New Jersey | Morris | 15 | Significant | Satisfactory | 1922 | Recreation |
| Shaws Mill Pond Dam | New Jersey | Cumberland | 15 | Significant | Fair | - | Recreation |
| Lake Gerard Dike B | New Jersey | Sussex | 15 | High | Satisfactory | - | Recreation |
| East Highland Lake Dam | New Jersey | Sussex | 15 | Significant | Satisfactory | 1947 | Recreation |
| White Meadow Lake Dam | New Jersey | Morris | 15 | High | Satisfactory | - | Recreation |
| Arrowhead Lake Pond Dam | New Jersey | Cumberland | 15 | Significant | Poor | 1972 | Recreation |
| Kennedy Pond Dam | New Jersey | Ocean | 15 | Low | - | - | Recreation |
| Lake Aeroflex Dam | New Jersey | Sussex | 15 | Low | Poor | - | Recreation |
| Mary Elmer Lake Dam | New Jersey | Cumberland | 15 | Significant | Satisfactory | 1924 | Recreation |
| Bridgepoint Dam | New Jersey | Somerset | 15 | Significant | Satisfactory | 1988 | Flood Risk Reduction |
| Swannanoa Lake #1 (South) Dam | New Jersey | Morris | 15 | High | Satisfactory | 1914 | Recreation |
| Post Brook Dam | New Jersey | Passaic | 15 | High | Satisfactory | 1923 | Recreation |
| Harrison Mountain Lake Dam | New Jersey | Passaic | 15 | Low | - | 1930 | Recreation |
| Jacksons Mills Dam | New Jersey | Ocean | 15 | Significant | Satisfactory | 1925 | Recreation |
| Manalapan Lake Dam | New Jersey | Middlesex | 15 | High | Satisfactory | - | Recreation |
| Killdeer Lake Dam | New Jersey | Burlington | 15 | Significant | Poor | - | Recreation |
| Lower Mount Glen Lake Dam | New Jersey | Passaic | 15 | High | Fair | 1927 | Recreation |
| Stony Brook #2 (Willow Lake) Dam | New Jersey | Mercer | 15 | Low | 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.