Browse Dams
1,492 dams in the National Inventory of Dams.
National Inventory of Dams
Browse 1,492 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 |
|---|---|---|---|---|---|---|---|
| Ridge Lake | Pennsylvania | Wayne | 10 | Significant | Poor | - | Recreation |
| William Penn | Pennsylvania | Pike | 10 | Low | Fair | 1916 | Recreation |
| Horton Lake | Pennsylvania | Susquehanna | 10 | High | Fair | 1956 | Recreation |
| Easton Anglers | Pennsylvania | Monroe | 10 | Low | Not Rated | 1929 | Recreation |
| Kings Crossing | Pennsylvania | Northampton | 10 | Significant | Fair | 1990 | Flood Risk Reduction |
| Heishmans Mill | Pennsylvania | Cumberland | 10 | Low | Not Rated | 1815 | Hydroelectric |
| Williams Pond | Pennsylvania | Susquehanna | 10 | Low | Fair | 1919 | Recreation |
| Gillespies Pond | Pennsylvania | Susquehanna | 10 | Significant | Fair | - | Recreation |
| Posts Pond | Pennsylvania | Susquehanna | 10 | Low | Fair | 1910 | Recreation |
| Thomas | Pennsylvania | Monroe | 10 | Significant | Poor | 1982 | Recreation |
| Nick Pond | Pennsylvania | Susquehanna | 10 | Significant | Satisfactory | 1996 | Recreation |
| Ballibay | Pennsylvania | Bradford | 10 | Significant | Unsatisfactory | - | Recreation |
| Harris Pond | Pennsylvania | Luzerne | 10 | High | Fair | 1922 | Recreation |
| Splash | Pennsylvania | Sullivan | 10 | Low | Not Rated | 1958 | Recreation |
| Pine Grove | Pennsylvania | Chester | 10 | Low | Not Rated | 1919 | Recreation |
| Barmore Lake | Pennsylvania | Mercer | 10 | Low | Not Rated | 1903 | Recreation |
| Pond View Farm | Pennsylvania | Chester | 10 | Significant | Poor | 1960 | Recreation |
| Mud Pond | Pennsylvania | Bradford | 10 | Low | Not Rated | 1940 | Recreation |
| Lake Lenape | Pennsylvania | Monroe | 10 | Low | Not Rated | 1901 | Recreation |
| Alder Marsh | Pennsylvania | Wayne | 10 | High | Fair | 1948 | Recreation |
| Lingertots Pond | Pennsylvania | Luzerne | 10 | Low | Satisfactory | 1957 | Recreation |
| Hartstown No 15 | Pennsylvania | Crawford | 10 | Low | Not Rated | 1989 | Recreation |
| Lake Moc-A-Tek | Pennsylvania | Wayne | 10 | Low | Fair | - | Recreation |
| Swatara | Pennsylvania | Dauphin | 10 | Low | Not Rated | 1935 | Water Supply |
| Juniata Lake | Pennsylvania | Clearfield | 10 | Significant | Fair | 1934 | Recreation |
| Youghiogheny Intake | Pennsylvania | Fayette | 10 | Low | Not Rated | - | Other |
| Rudy Pond | Pennsylvania | York | 10 | Significant | Satisfactory | 2005 | Recreation |
| Water Control Structure | Pennsylvania | Philadelphia | 10 | Undetermined | Not Rated | - | Other |
| Jacobs Creek | Pennsylvania | Dauphin | 10 | Significant | Satisfactory | 1999 | Flood Risk Reduction |
| Spring Lake | Pennsylvania | Susquehanna | 10 | High | Poor | 1919 | Recreation |
| Lake Renee | Pennsylvania | Pike | 10 | High | Fair | 1973 | Recreation |
| Williams | Pennsylvania | Erie | 10 | Significant | Not Rated | - | Recreation |
| Silver Lake | Pennsylvania | Wayne | 10 | Low | Fair | 1923 | Recreation |
| Summit Lake No 2 | Pennsylvania | Monroe | 10 | Low | Fair | 1919 | Recreation |
| Lake Sheridan | Pennsylvania | Wyoming | 10 | High | Satisfactory | 1872 | Recreation |
| Lake Lloyd | Pennsylvania | Potter | 10 | Low | Not Rated | - | Other |
| Mill Pond | Pennsylvania | Wayne | 10 | Significant | Fair | 1917 | Hydroelectric |
| Timber Creek Condo | Pennsylvania | Montgomery | 10 | Significant | Fair | 1985 | Flood Risk Reduction |
| Bowmans Marsh | Pennsylvania | Luzerne | 10 | Low | Satisfactory | - | Recreation |
| Adams Brook | Pennsylvania | Pike | 10 | Low | Fair | 1932 | Recreation |
| Palmer Park Mall | Pennsylvania | Northampton | 10 | Significant | Fair | 1981 | Flood Risk Reduction |
| Lake Warren | Pennsylvania | Bucks | 10 | Low | Fair | 1935 | Recreation |
| Springwater Lake | Pennsylvania | Monroe | 10 | High | Satisfactory | 2009 | Recreation |
| Hamlin Lake Park | Pennsylvania | McKean | 10 | High | Fair | 1915 | Recreation |
| Gable Park Woods | Pennsylvania | Lancaster | 10 | High | Satisfactory | - | Flood Risk Reduction |
| Beaver Lake Lodge | Pennsylvania | Pike | 10 | High | Satisfactory | 1933 | Recreation |
| Lehman Lake | Pennsylvania | Pike | 10 | High | Unsatisfactory | 1890 | Recreation |
| Paradise Lake No. 1 | Pennsylvania | Fayette | 10 | Significant | Satisfactory | 1973 | Recreation |
| Lily Lake | Pennsylvania | Luzerne | 10 | Low | Satisfactory | 1973 | Recreation |
| Camp Cayuga Lake | Pennsylvania | Wayne | 10 | Low | Fair | 1931 | 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.