Dams in Lancaster County, Pennsylvania
18Total Dams
9High Hazard
1Significant
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Pine Grove | High | Fair | 65 | Hydroelectric | 1949 |
| Holtwood Ses Ash Basin No 2 | High | Fair | 57 | Other | 2000 |
| New Holland Reservoir | High | Fair | 40 | Water Supply | 1953 |
| Speedwell Forge | High | Satisfactory | 35 | Recreation | 1966 |
| Barnett | High | Fair | 26 | Recreation | |
| Middle Creek | High | Poor | 18 | Recreation | 1971 |
| Manheim Twp Detention Basin No 2 | High | Satisfactory | 15 | Flood Risk Reduction | 1981 |
| Gable Park Woods | High | Satisfactory | 10 | Flood Risk Reduction | |
| Lake Placida | High | Satisfactory | 6 | Recreation | 1910 |
| Safe Harbor | Significant | Satisfactory | 75 | Hydroelectric | 1930 |
| Muddy Run Recreation Dam | Low | Satisfactory | 90 | Hydroelectric | 1967 |
| Holtwood | Low | Satisfactory | 55 | Hydroelectric | 1910 |
| Low | Not Available | 31 | Recreation | 1968 | |
| York Haven Headrace | Low | Satisfactory | 20 | Hydroelectric | 1904 |
| Sadsbury Twp Detention Pond 1 | Low | Not Rated | 15 | Flood Risk Reduction | 1982 |
| Muddy Run East Dike | Low | Satisfactory | 12 | Hydroelectric | 1967 |
| Woods Edge - Pond A | Low | Not Rated | 11 | Flood Risk Reduction | |
| Groff Mill | Low | Not Rated | 8 | Recreation | 1919 |