Hankin
Hankin is an earth dam located in Chester County, Pennsylvania, built in 1989. It carries a Low hazard potential classification and has a fair condition assessment.
About Hankin
The primary purpose of Hankin 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 The Hankin Group (private). It impounds the Shamona Creek.
The dam stands 100 feet tall and stretches 380 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 36 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1989, the structure is 37 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 07/30/2018.
At 100 feet, this dam is taller than 98% of all dams in the United States.
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Location
| State | Pennsylvania |
| County | Chester |
| River/Stream | Shamona Creek |
| Coordinates | 40.06167, -75.67750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 100 ft |
| Dam Height | 100 ft |
| Dam Length | 380 ft |
| Year Completed | 1989 (37 years old) |
Storage & Hydraulics
| NID Storage | 36 acre-ft |
| Max Storage | 36 acre-ft |
| Normal Storage | 5 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | THE HANKIN GROUP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/30/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | PA01529 |
| Federal ID | PA01529 |
| More Info | State Dam Safety Program |