Lake Washington Dam
New Jersey — Passaic County — Wanaque River
Location
| State | New Jersey |
| County | Passaic |
| River | Wanaque River |
| Coordinates | 41.02908, -74.29892 |
Physical Characteristics
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 475 ft |
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Surface Area | 8 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Unsatisfactory |
| EAP Status | Not Required |
| Last Inspection | June 30, 2023 |
| Inspection Frequency | 4 |
Dam Information
| Year Completed | 1930 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Wanaque Borough |
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.