Orson Pond Reservoir Report

Last Updated: December 6, 2025

Orson Pond, located in Preston Township, Wayne County, Pennsylvania, is a private recreational dam constructed in 1849 for the primary purpose of recreation.


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Summary

This earth dam stands at a height of 15.5 feet and has a storage capacity of 200 acre-feet, with a normal storage level of 130 acre-feet. The dam has a length of 116 feet and covers a surface area of 20 acres, serving as a picturesque spot for water resource and climate enthusiasts to enjoy the beauty of the TR East Branch Lackawanna River.

Managed and regulated by the Pennsylvania Department of Environmental Protection, Orson Pond is considered to have a significant hazard potential, with a fair condition assessment as of the last inspection in August 2020. Despite its age, the dam continues to provide recreational opportunities for visitors, while also serving as a vital component of the local ecosystem. The dam's presence contributes to the overall water management and conservation efforts in the area, highlighting the importance of sustainable practices in preserving water resources for future generations.

With its rich history dating back to the 19th century, Orson Pond stands as a testament to the enduring value of water infrastructure in providing both recreational enjoyment and environmental benefits. As climate change continues to impact water resources, the maintenance and regulation of dams like Orson Pond play a crucial role in ensuring the safety and sustainability of our water systems. For water resource and climate enthusiasts, Orson Pond serves as a reminder of the interconnectedness between human activity and natural ecosystems, emphasizing the importance of responsible stewardship for the preservation of our water resources.

Year Completed

1849

Dam Length

116

Dam Height

15.5

River Or Stream

TR EAST BR LACKAWANNA RIVER

Primary Dam Type

Earth

Surface Area

20

Drainage Area

1.3

Nid Storage

200

Hazard Potential

Significant

Foundations

Unlisted/Unknown

Nid Height

16
       
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.