Thorn Run
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Pennsylvania |
| County | Butler |
| River/Stream | THORN RUN |
| Coordinates | 40.89444, -79.86500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 660 ft |
| Year Completed | 1903 (123 years old) |
Storage & Hydraulics
| NID Storage | 960 acre-ft |
| Max Storage | 960 acre-ft |
| Normal Storage | 560 acre-ft |
| Surface Area | 49 acres |
| Drainage Area | 6 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | PA AMERICAN WATER COMPANY |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/08/2020 |
| Emergency Action Plan | Yes |