Stony Run
Stony Run is an earth dam located in Union County, Pennsylvania. It carries a Significant hazard potential classification.
About Stony Run
The primary purpose of Stony Run is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Dcnr (state). It impounds the Stony Run.
The dam stands 39 feet tall and stretches 230 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 34 acre-feet, and collects water from a drainage area of 1 square miles.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 01/10/2014. That was over 12 years ago.
At 39 feet, this dam is taller than 86% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Pennsylvania |
| County | Union |
| River/Stream | Stony Run |
| Coordinates | 40.92056, -77.22389 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 230 ft |
Storage & Hydraulics
| NID Storage | 34 acre-ft |
| Max Storage | 34 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | DCNR |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 01/10/2014 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA00588 |
| Federal ID | PA00588 |
| More Info | State Dam Safety Program |