Cumberland No 1 Sed Pond Reservoir Report

Last Updated: December 5, 2025

Located in Whiteley Township, Greene County, Pennsylvania, Cumberland No 1 Sed Pond is a privately owned earth dam structure constructed in 1985 with a primary purpose designated as 'Other.' Standing at a height of 25 feet and a length of 275 feet, this dam has a storage capacity of 21.5 acre-feet and serves as a crucial water resource management tool in the area.


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Summary

The dam is regulated and inspected by the Pennsylvania Department of Environmental Protection, ensuring that it meets all necessary safety and environmental standards.

With Whiteley Creek as the primary river or stream, Cumberland No 1 Sed Pond plays a significant role in flood control and water storage in the region. The dam's condition is assessed as satisfactory, with a significant hazard potential. In 2015, hydraulic modifications were made to enhance its functionality, and regular inspections are conducted to maintain its integrity. As a key infrastructure in the area, the dam underscores the importance of effective water resource management in the face of changing climate patterns.

As climate change continues to impact water resources, structures like Cumberland No 1 Sed Pond become even more critical in managing water flow and mitigating potential risks. The dam's design, storage capacity, and regulatory oversight highlight the proactive approach taken to ensure the safety and efficiency of water management systems in the region. As water resource and climate enthusiasts, understanding the role of structures like Cumberland No 1 Sed Pond is essential in promoting sustainable water management practices and resilience in the face of evolving environmental challenges.

Years Modified

2015 - Hydraulic

Year Completed

1985

Dam Length

275

Dam Height

25

River Or Stream

TR WHITELEY CREEK

Primary Dam Type

Earth

Surface Area

0.8

Drainage Area

0.2

Nid Storage

21.5

Hazard Potential

Significant

Foundations

Unlisted/Unknown

Nid Height

25
       
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.