Raw Water Pond Reservoir Report

Last Updated: December 5, 2025

Raw Water Pond, located in Fallowfield Township, Washington County, Pennsylvania, is a privately owned earth dam built in 1968 primarily for grade stabilization purposes along the TR Sawmill Creek.


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Summary

The dam stands at a height of 25 feet and has a storage capacity of 27 acre-feet, with a normal storage level of 25 acre-feet. With a surface area of 3 acres and draining an area of 0.1 square miles, Raw Water Pond serves as a vital resource for managing water flow and preventing erosion in the area.

Managed by the Pennsylvania Department of Environmental Protection, Raw Water Pond is regulated, permitted, inspected, and enforced by state authorities to ensure its structural integrity and compliance with safety standards. Despite being classified as having a low hazard potential and fair condition assessment, regular inspections are conducted every five years to monitor its upkeep and performance. The dam's emergency action plan and risk management measures are currently under review, reflecting a proactive approach to maintaining the safety and functionality of this essential water resource.

Water resource and climate enthusiasts will appreciate Raw Water Pond's significant role in environmental conservation and water management efforts in the region. As a key component in the local watershed system, this dam contributes to flood control, erosion prevention, and water quality maintenance along the TR Sawmill Creek. With its strategic location and operational effectiveness, Raw Water Pond exemplifies the importance of responsible dam management and the sustainable utilization of water resources for the benefit of both the community and the environment.

Year Completed

1968

Dam Length

1190

Dam Height

25

River Or Stream

TR SAWMILL CREEK

Primary Dam Type

Earth

Surface Area

3

Drainage Area

0.1

Nid Storage

27

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

25
       
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.