Killdeer Lake Dam Reservoir Report

Last Updated: December 13, 2025

Killdeer Lake Dam, located in Medford, New Jersey, is a private earth dam that serves primarily for recreational purposes.


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Summary

With a height of 15 feet and a length of 600 feet, the dam impounds the waters of Haynes Creek, creating a surface area of 15 acres and a drainage area of 0.2 square miles. Despite its relatively small size, the dam is classified as having a significant hazard potential and a poor condition assessment.

Managed by the New Jersey Department of Environmental Protection, Killdeer Lake Dam is subject to state regulation, permitting, inspection, and enforcement. The dam's last inspection in March 2020 revealed its poor condition, prompting concerns about its safety and the potential risks it poses to downstream areas in case of failure. While an emergency action plan (EAP) has been prepared in the past, its last revision dates back to August 2018, raising questions about its current effectiveness in mitigating risks and ensuring public safety.

With its picturesque location and importance for recreational activities, Killdeer Lake Dam is a significant landmark in Burlington County. However, its poor condition and significant hazard potential highlight the importance of ongoing maintenance and monitoring to prevent potential safety hazards and ensure the protection of surrounding communities and the environment. Climate and water resource enthusiasts will find interest in the challenges and opportunities presented by managing and safeguarding this essential infrastructure in the face of evolving climate conditions and regulatory requirements.

Dam Length

600

Dam Height

15

River Or Stream

Haynes Creek

Primary Dam Type

Earth

Surface Area

15

Drainage Area

0.2

Hazard Potential

Significant

Nid Height

15
       
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.