Macopin Reservoir Dam
New Jersey — Morris County — Pequannock River
Location
| State | New Jersey |
| County | Morris |
| River | Pequannock River |
| Coordinates | 41.01977, -74.40287 |
Physical Characteristics
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 434 ft |
| NID Storage | 206 acre-ft |
| Max Storage | 206 acre-ft |
| Surface Area | 12 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | October 18, 2024 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1892 |
| Primary Purpose | Water Supply |
| Dam Type | Stone |
| Owner Type | Local Government |
| Owner | City of Newark, Department of Water and Sewer Utilities |
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.