Helmetta Dam
Significant HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | New Jersey |
| County | Middlesex |
| River/Stream | Manalapan Brook |
| Coordinates | 40.37697, -74.42775 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 2,000 ft |
Storage & Hydraulics
| NID Storage | 64 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 41 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | County of Middlesex, Engineering Department |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/09/2024 |
| Emergency Action Plan | Yes |