Surprise Lake Dam
New Jersey — Union County
Location
| State | New Jersey |
| County | Union |
| Coordinates | 40.68532, -74.37945 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 200 ft |
| NID Storage | 71 acre-ft |
| Max Storage | — |
| Surface Area | 10 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 4 |
Dam Information
| Year Completed | 1928 |
| Primary Purpose | Recreation |
| Dam Type | — |
| Owner Type | — |
| Owner | County of Union |
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.