Oakford Glen Reservoir Report

Last Updated: December 10, 2025

Oakford Glen is a private water resource located in Lackawanna, Pennsylvania, specifically in Waverly Township.


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Summary

The dam, built for recreational purposes, stands at a height of 21.5 feet and has a storage capacity of 6.6 million gallons. It spans 300 feet in length and is situated along the Ackley Creek, with a spillway width of 46 feet. The structure is regulated by the Pennsylvania Department of Environmental Protection, ensuring that it meets state inspection and enforcement standards.

Despite its satisfactory condition assessment, Oakford Glen poses a significant hazard potential due to its size and location. The risk assessment categorizes it as moderate, with a designated emergency action plan yet to be prepared. The dam has undergone modifications in 2002 to enhance its hydraulic capabilities, and it is inspected every two years to ensure its continued safety. The surrounding area covers 3.43 square miles of drainage area, providing a scenic and recreational spot for water and climate enthusiasts to appreciate.

Overall, Oakford Glen offers a picturesque setting for recreational activities while serving as a vital water resource in Lackawanna County. Its strategic location along the Ackley Creek contributes to its environmental significance, attracting visitors and wildlife alike. With careful regulation and monitoring by the Pennsylvania Department of Environmental Protection, Oakford Glen remains a valuable asset for both the local community and the broader ecosystem.

Years Modified

2002 - Hydraulic

Dam Length

300

Dam Height

21.5

River Or Stream

ACKERLY CREEK

Primary Dam Type

Earth

Surface Area

3.7

Drainage Area

3.43

Nid Storage

6.6

Hazard Potential

Significant

Foundations

Unlisted/Unknown

Nid Height

22
       
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.