Dams in Union County, Pennsylvania
4Total Dams
1High Hazard
2Significant
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Spruce Run Reservoir | High | Fair | 46 | Water Supply | 1957 |
| Stony Run | Significant | Not Rated | 39 | Water Supply | |
| Great Stream Commons Upper | Significant | Not Rated | 17 | Flood Risk Reduction | 2001 |
| Great Stream Commons Lower | Low | Not Rated | 24 | Flood Risk Reduction | 2001 |