Squibb Dam Reservoir Report

Last Updated: December 6, 2025

Squibb Dam, located in Lawrence Township, New Jersey, is a private-owned structure designed for flood risk reduction along Shipetauken Creek.


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Summary

This earth dam stands at a height of 26.3 feet and spans 770 feet in length, with a maximum storage capacity of 144 acre-feet. The dam's primary purpose is to mitigate flood risks in the area, with a low hazard potential and a satisfactory condition assessment as of May 2020.

Managed by the New Jersey Department of Environmental Protection (NJDEP), Squibb Dam is regulated, permitted, inspected, and enforced by the state. Its location in Mercer County, New Jersey, falls under the jurisdiction of the Philadelphia District of the US Army Corps of Engineers. With a drainage area of 0.27 square miles and a normal storage capacity of 123 acre-feet, the dam plays a crucial role in protecting the surrounding area from potential inundation.

Despite its modest size and low hazard potential, Squibb Dam ensures the safety and security of the Lawrence Township community by effectively managing flood risks along Shipetauken Creek. Water resource and climate enthusiasts can appreciate the dam's role in safeguarding the local ecosystem and infrastructure, highlighting the importance of sustainable water management practices in the face of changing weather patterns and environmental challenges.

Dam Length

770

Dam Height

26.3

River Or Stream

Shipetauken Creek-TR

Primary Dam Type

Earth

Surface Area

15

Drainage Area

0.27

Nid Storage

144

Hazard Potential

Low

Nid Height

26
       
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.