Cupsaw Lake Dam
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | New Jersey |
| County | Passaic |
| River/Stream | Cupsaw Brook |
| Coordinates | 41.11082, -74.25092 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 430 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 698 acre-ft |
| Normal Storage | 698 acre-ft |
| Surface Area | 69 acres |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Cupsaw Lake Inprovement Association |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 10/24/2023 |
| Emergency Action Plan | Yes |