Two Lick Creek Reservoir Report

Last Updated: December 5, 2025

Two Lick Creek, located in White Township, Pennsylvania, is a privately owned dam that serves the primary purpose of grade stabilization.


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Summary

Built in 1968, this earth dam stands at a height of 90 feet and spans a length of 1200 feet, with a storage capacity of 23,000 acre-feet. The dam plays a crucial role in managing water resources in the area, with a normal storage capacity of 16,200 acre-feet and a drainage area of 74 square miles.

Managed by the Pennsylvania Department of Environmental Protection, Two Lick Creek dam is state-regulated, inspected, and enforced to ensure its safety and functionality. Despite its high hazard potential, the dam's condition assessment remains satisfactory, with the last inspection conducted in October 2020. With its strategic location and significant impact on the surrounding environment, Two Lick Creek serves as a vital infrastructure for water resource management and climate resilience efforts in the region.

Enthusiasts interested in water resources and climate change will find Two Lick Creek to be a fascinating example of how infrastructure like dams can play a critical role in mitigating risks and supporting sustainable water management practices. As a key structure in the Pittsburgh District, this dam not only helps stabilize grades but also contributes to flood control, water storage, and environmental protection in the area. Its history, design, and regulatory oversight make Two Lick Creek a compelling case study for understanding the intersection of water resources, infrastructure development, and climate adaptation strategies.

Year Completed

1968

Dam Length

1200

Dam Height

90

River Or Stream

TWO LICK CREEK

Primary Dam Type

Earth

Surface Area

510

Drainage Area

74

Nid Storage

23000

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

90
       
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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.