Dams in York County, Pennsylvania
29Total Dams
14High Hazard
11Significant
Dam Safety in York County, Pennsylvania
York County has 29 dams tracked in the National Inventory of Dams. Of these, 14 are classified as high hazard — meaning failure would probably cause loss of human life. Another 11 carry a significant hazard classification. Currently, 4 dams have a condition assessment of poor or unsatisfactory.
The average dam in York County is 69 years old. The most common purpose is recreation. The tallest dam is Lake Marburg at 107 ft.
Explore more: Oldest dams in Pennsylvania · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Lake Marburg | High | Satisfactory | 107 | Other | 1967 |
| Lake Pahagaco | High | Fair | 85 | Recreation | 1956 |
| York Indian Rock Dam | High | Not Available | 83 | Flood Risk Reduction | 1942 |
| Lawrence Baker Sheppard | High | Satisfactory | 75 | Water Supply | 1965 |
| Lake Williams | High | Poor | 58 | Water Supply | 1912 |
| Lake Redman | High | Poor | 52 | Water Supply | 1967 |
| Pinchot Lake | High | Fair | 50 | Recreation | 1959 |
| Sheppard Myers | High | Poor | 38 | Water Supply | 1933 |
| Cabin Creek | High | Fair | 28 | Water Supply | 1925 |
| Glatco Lake | High | Unsatisfactory | 20 | Recreation | |
| Mill | High | Satisfactory | 18 | Grade Stabilization | 1863 |
| Basin 1 | High | Satisfactory | 13 | Flood Risk Reduction | 1998 |
| Basin 2 | High | Satisfactory | 10 | Flood Risk Reduction | 1998 |
| Silver Lake | High | Fair | 6 | Recreation | 1910 |
| Brunner Island Ash Basin No 6 | Significant | Satisfactory | 39 | Other | 1979 |
| Cherry Tree Farm | Significant | Satisfactory | 32 | Irrigation | 1980 |
| Kehm Run | Significant | Fair | 27 | Recreation | 1954 |
| Ski Roundtop | Significant | Not Rated | 20 | Grade Stabilization | |
| Naylor Lower | Significant | Satisfactory | 19 | Irrigation | |
| Longstown Village | Significant | Satisfactory | 16 | Flood Risk Reduction | 1998 |
| Kinsley Detention Basin | Significant | Satisfactory | 15 | Flood Risk Reduction | 1998 |
| Forest Lakes No. 2 | Significant | Satisfactory | 15 | Recreation | |
| Forest Lakes No. 1 | Significant | Satisfactory | 14 | Recreation | |
| Rudy Pond | Significant | Satisfactory | 10 | Recreation | 2005 |
| Naylor Middle | Significant | Satisfactory | 0 | Irrigation | |
| Peach Bottom Atomic Power | Low | Not Rated | 34 | Debris Control | 1973 |
| Kessler | Low | Not Rated | 11 | Grade Stabilization | 1937 |
| Eisenhart Mill | Low | Not Rated | 8 | Recreation | 1919 |
| Marsh Run Pond | Undetermined | Not Rated | 9 | Recreation | 1960 |