Devon Detention
Devon Detention is an earth dam located in Chester County, Pennsylvania, built in 1986. It carries a Significant hazard potential classification and has a fair condition assessment.
About Devon Detention
The primary purpose of Devon 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 Waynesbrooke Homeowners Asociation (private). It impounds the Tr Darby Creek.
The dam stands 8 feet tall and stretches 500 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 15 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1986, the structure is 40 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 04/11/2019.
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Location
| State | Pennsylvania |
| County | Chester |
| River/Stream | Tr Darby Creek |
| Coordinates | 40.03222, -75.44333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 500 ft |
| Year Completed | 1986 (40 years old) |
Storage & Hydraulics
| NID Storage | 15 acre-ft |
| Max Storage | 15 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WAYNESBROOKE HOMEOWNERS ASOCIATION |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/11/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA01424 |
| Federal ID | PA01424 |
| More Info | State Dam Safety Program |