Surprise Lake Dam
Low HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | New Jersey |
| County | Union |
| River/Stream | Blue Brook |
| Coordinates | 40.68532, -74.37945 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 200 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 71 acre-ft |
| Normal Storage | 71 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | County of Union |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/08/2024 |
| Emergency Action Plan | Yes |