Thomas Meeting Detention Basin
Thomas Meeting Detention Basin is an earth dam located in Chester County, Pennsylvania, built in 1990. It carries a Significant hazard potential classification and has a fair condition assessment.
About Thomas Meeting Detention Basin
The primary purpose of Thomas Meeting Detention Basin 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 Thomas Meeting Associates (private). It impounds the Tr Valley Creek.
The dam stands 5 feet tall and stretches 750 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 11 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1990, the structure is 36 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 03/26/2019.
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Location
| State | Pennsylvania |
| County | Chester |
| River/Stream | Tr Valley Creek |
| Coordinates | 40.02778, -75.64167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 5 ft |
| Dam Height | 5 ft |
| Dam Length | 750 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 11 acre-ft |
| Max Storage | 11 acre-ft |
| Normal Storage | 5 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | THOMAS MEETING ASSOCIATES |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 03/26/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA01415 |
| Federal ID | PA01415 |
| More Info | State Dam Safety Program |