Briant Park Dam Reservoir Report

Last Updated: December 9, 2025

Briant Park Dam, located in Springfield Township, Union County, New Jersey, is a significant earth dam completed in 1930 primarily for recreational purposes, serving as a key feature in Briant Park.


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Summary

The dam stands at a height of 15.5 feet and has a length of 280 feet, impounding water from the Van Winkle Brook with a storage capacity of 18 acre-feet. Its location within the Philadelphia District of the US Army Corps of Engineers makes it subject to state regulations and inspections by the New Jersey Department of Environmental Protection.

With a satisfactory condition assessment and a significant hazard potential, Briant Park Dam plays a crucial role in water resource management and public safety in the area. Regular inspections are conducted to ensure the dam's integrity and functionality, with the last inspection completed in November 2021. As a key structure within the local government's ownership, the dam contributes to the overall landscape and recreational activities in Union County, serving as a reminder of the importance of maintaining and monitoring water infrastructure for both environmental and community purposes.

Year Completed

1930

Dam Length

280

Dam Height

15.5

River Or Stream

Van Winkle Brook

Primary Dam Type

Earth

Surface Area

5

Drainage Area

1.3

Nid Storage

18

Hazard Potential

Significant

Nid Height

16
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.