Regional Detention Basin Dam E
Regional Detention Basin Dam E is an earth dam located in Somerset County, New Jersey. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Regional Detention Basin Dam E
The primary purpose of Regional Detention Basin Dam E 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 County Of Somerset (local government). It impounds the Royce Brook.
The dam stands 17 feet tall and stretches 750 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 193 acre-feet, and collects water from a drainage area of 2 square miles.
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 11/03/2023.
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Location
| State | New Jersey |
| County | Somerset |
| River/Stream | Royce Brook |
| Coordinates | 40.49232, -74.65593 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 750 ft |
Storage & Hydraulics
| NID Storage | 193 acre-ft |
| Max Storage | 193 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 5,466 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | County of Somerset |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/03/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00933 |
| Federal ID | NJ00933 |
| More Info | State Dam Safety Program |