Dams in Chester County, Pennsylvania
43Total Dams
17High Hazard
20Significant
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Marsh Creek Reservoir (pa-437) | High | Fair | 90 | Recreation | 1973 |
| Hibernia (pa-436f) | High | Fair | 65 | Flood Risk Reduction | 1994 |
| Barneston (pa 432) | High | Fair | 43 | Flood Risk Reduction | 1983 |
| Rock Run | High | Fair | 42 | Water Supply | 1917 |
| Pickering Creek | High | Fair | 36 | Water Supply | 1928 |
| Beaver Creek (pa-433) | High | Satisfactory | 36 | Flood Risk Reduction | 1975 |
| Township Line (airport Road) | High | Fair | 34 | Recreation | 1935 |
| Lake Somerset | High | Fair | 32 | Recreation | 1969 |
| R G Struble Lake (pa-431) | High | Satisfactory | 31 | Flood Risk Reduction | 1971 |
| Walker Farm Lagoon | High | Satisfactory | 26 | Other | 2002 |
| Wharton Boulevard Stormwater | High | Fair | 21 | Flood Risk Reduction | 1999 |
| Milltown | High | Fair | 20 | Water Supply | 1924 |
| Welkinweir | High | Fair | 16 | Recreation | 1937 |
| Herr Foods Storage Lagoon | High | Satisfactory | 15 | Other | 1996 |
| Wayne Glen | High | Not Rated | 14 | Flood Risk Reduction | |
| Lincoln Avenue Detention Basin | High | Satisfactory | 13 | Flood Risk Reduction | 2007 |
| Leopard Lake | High | Fair | 11 | Recreation | |
| Osborne Lagoon | Significant | Satisfactory | 50 | Other | 2012 |
| Wastewater Treatment | Significant | Fair | 45 | Other | 1985 |
| Chester Co. Prison Storage Lagoon | Significant | Satisfactory | 34 | Other | |
| Green Valley Farms | Significant | Fair | 23 | Recreation | 1963 |
| Timber | Significant | Satisfactory | 19 | Flood Risk Reduction | 1986 |
| Washburn Lake | Significant | Fair | 18 | Recreation | 1955 |
| Linpro Detention Basin | Significant | Fair | 18 | Flood Risk Reduction | 1987 |
| Malvern Preparatory Lower | Significant | Satisfactory | 15 | Recreation | 1923 |
| Westtown | Significant | Fair | 14 | Recreation | 1912 |
| Savery Mill | Significant | Fair | 14 | Recreation | 1960 |
| Hershey Mill | Significant | Fair | 14 | Recreation | 1748 |
| Crossing No 5 | Significant | Fair | 13 | Flood Risk Reduction | 2005 |
| Crossing No 3 | Significant | Fair | 13 | Flood Risk Reduction | |
| Whitford Ridge Detention Basin | Significant | Fair | 13 | Flood Risk Reduction | 1992 |
| Somerset Lakes Basin No 2 | Significant | Fair | 12 | Flood Risk Reduction | 1991 |
| West Whiteland Business Park | Significant | Poor | 12 | Flood Risk Reduction | |
| Brook Crossing Detention | Significant | Fair | 11 | Flood Risk Reduction | |
| Pond View Farm | Significant | Poor | 10 | Recreation | 1960 |
| Devon Detention | Significant | Fair | 8 | Flood Risk Reduction | 1986 |
| Thomas Meeting Detention Basin | Significant | Fair | 5 | Flood Risk Reduction | 1990 |
| Hankin | Low | Fair | 100 | Flood Risk Reduction | 1989 |
| Pond No 1 | Low | Fair | 71 | Tailings | 1970 |
| Pond No 2 | Low | Poor | 36 | Tailings | |
| Cold Springs Park | Low | Poor | 30 | Recreation | |
| Pond No 3 | Low | Fair | 28 | Tailings | |
| Pine Grove | Low | Not Rated | 10 | Recreation | 1919 |