Glendale Reservoir Report

Last Updated: December 13, 2025

Glendale, located in White Township within Cambria County, Pennsylvania, is a state-regulated dam on Beaverdam Run with a primary purpose of flood risk reduction.


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Summary

Built in 1960, this earth dam stands at a height of 60 feet and spans 1800 feet in length, providing a storage capacity of 68,000 acre-feet. With a drainage area of 41.9 square miles, Glendale plays a crucial role in flood protection for the surrounding area.

Managed by the Pennsylvania Department of Environmental Protection, Glendale has a high hazard potential and is classified as being in fair condition. Despite its age, the dam undergoes regular inspections and is equipped with emergency action plans to ensure the safety of nearby residents in the event of a breach. Additionally, the dam offers recreational opportunities in addition to its flood control function, highlighting its importance not only for water resource management but also for community engagement and enjoyment.

Glendale's presence underscores the critical role of infrastructure in mitigating flood risks and protecting communities from potential disasters. As a key component of the flood control system in the region, this dam serves as a reminder of the ongoing efforts to manage water resources and adapt to changing climate conditions. With its impressive storage capacity and essential flood risk reduction capabilities, Glendale stands as a testament to the importance of sustainable water management practices in safeguarding both people and the environment.

Year Completed

1960

Dam Length

1800

Dam Height

60

River Or Stream

BEAVERDAM RUN

Primary Dam Type

Earth

Surface Area

1600

Drainage Area

41.9

Nid Storage

68000

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

60
       
Seasonal Comparison

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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.