Pine Hollow Detention
Pine Hollow Detention is an earth dam located in Allegheny County, Pennsylvania, built in 1999. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Pine Hollow Detention
The primary purpose of Pine Hollow Detention is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Kennedy Township (local government). It impounds the Tr Ohio River.
The dam stands 22 feet tall and stretches 75 feet across, has a maximum storage capacity of 3 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1999, the structure is 27 years old.
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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 11/29/2018.
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Location
| State | Pennsylvania |
| County | Allegheny |
| River/Stream | Tr Ohio River |
| Coordinates | 40.47472, -80.09111 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 75 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 3 acre-ft |
| Max Storage | 3 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | KENNEDY TOWNSHIP |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/29/2018 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA01677 |
| Federal ID | PA01677 |
| More Info | State Dam Safety Program |