Macopin Reservoir Dam
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | New Jersey |
| County | Morris |
| River/Stream | Pequannock River |
| Coordinates | 41.01977, -74.40287 |
Physical Characteristics
| Dam Type | Stone |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 434 ft |
| Year Completed | 1892 (134 years old) |
Storage & Hydraulics
| NID Storage | 206 acre-ft |
| Max Storage | 206 acre-ft |
| Normal Storage | 101 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 63 sq mi |
| Max Discharge | 17,600 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Newark, Department of Water and Sewer Utilities |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 10/18/2024 |
| Emergency Action Plan | Yes |