Stony Run is an earth dam located in Union County, Pennsylvania. It carries a Significant hazard potential classification.
Dam profile
NID height · 39 ft39 ft tall and 230 ft long, taller than 85% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
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 85% 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 assessed |
| Last Inspection | 01/10/2014 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA00588 |
| Federal ID | PA00588 |
| More Info | State Dam Safety Program |