Still Creek Reservoir Report

Last Updated: December 7, 2025

Still Creek is a vital water resource in Rush Township, Pennsylvania, serving as a primary source for water supply.


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Summary

The dam on Still Creek, completed in 1935, stands at a height of 86 feet and has a storage capacity of 12,160 acre-feet, with a normal storage level of 8,287 acre-feet. The dam, classified as an Earth type with Buttress core, plays a crucial role in grade stabilization and ensuring a reliable water supply for the surrounding area.

Managed by the Pennsylvania Department of Environmental Protection, Still Creek Dam is state-regulated, inspected, and enforced to ensure its safety and functionality. With a high hazard potential due to its location and size, the dam is regularly assessed to maintain its satisfactory condition. The dam's location in Schuylkill County, Pennsylvania, highlights its importance in water management and climate resilience efforts in the region.

For water resource and climate enthusiasts, Still Creek Dam serves as a prime example of infrastructure designed to mitigate risks and ensure water security. Its strategic design and regulated management by state authorities underscore the importance of maintaining and monitoring dams to safeguard communities and ecosystems in the face of changing climate conditions.

Year Completed

1935

Dam Length

1160

Dam Height

86

River Or Stream

STILL CREEK

Primary Dam Type

Earth

Surface Area

332

Drainage Area

6.9

Nid Storage

12160

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

86
       
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.