Crystal Lake Dam
New Jersey — Bergen County — Allemans Brook
Location
| State | New Jersey |
| County | Bergen |
| River | Allemans Brook |
| Coordinates | 41.03105, -74.24265 |
Physical Characteristics
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 1,200 ft |
| NID Storage | 450 acre-ft |
| Max Storage | 450 acre-ft |
| Surface Area | 26 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Poor |
| EAP Status | Not Required |
| Last Inspection | September 18, 2024 |
| Inspection Frequency | 4 |
Dam Information
| Year Completed | 1939 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Ramapo Moutian Lakes, Inc. |
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.