New Market Pond Dam
New Market Pond Dam is an earth dam located in Middlesex County, New Jersey, built in 1830. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About New Market Pond Dam
The primary purpose of New Market Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Township Of Piscataway (local government). It impounds the Bound Brook near Piscataway.
The dam stands 7 feet tall and stretches 300 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 109 acre-feet, and collects water from a drainage area of 16 square miles. Completed in 1830, the structure is one of the older dams in the region, with over a century and a half of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 02/26/2025.
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Location
| State | New Jersey |
| County | Middlesex |
| Nearest City | Piscataway |
| River/Stream | Bound Brook |
| Coordinates | 40.57627, -74.45803 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 300 ft |
| Year Completed | 1830 (196 years old) |
Storage & Hydraulics
| NID Storage | 109 acre-ft |
| Max Storage | 109 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 16 sq mi |
| Max Discharge | 810 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Township of Piscataway |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/26/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00375 |
| Federal ID | NJ00375 |
| More Info | State Dam Safety Program |