Upper Keswick Dam
New Jersey — Ocean County — Wrangel Brook
Location
| State | New Jersey |
| County | Ocean |
| River | Wrangel Brook |
| Coordinates | 39.94920, -74.34518 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 296 ft |
| NID Storage | 54 acre-ft |
| Max Storage | — |
| Surface Area | 16 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | March 19, 2025 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1898 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | America's Keswick |
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.