Round Valley South Dam
New Jersey, Hunterdon County, Prescott Brook
Location
| State | New Jersey |
| County | Hunterdon |
| River | Prescott Brook |
| Coordinates | 40.61123, -74.84550 |
Physical Characteristics
| NID Height | 178 ft |
| Dam Height | 178 ft |
| Dam Length | 1,395 ft |
| NID Storage | 196,600 acre-ft |
| Max Storage | 196,600 acre-ft |
| Surface Area | 2,350 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | September 9, 2025 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1961 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | State |
| Owner | New Jersey Water Supply Authority |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.