Reading Anthracite - Trevorton Reservoir Report

Last Updated: December 15, 2025

Reading Anthracite - Trevorton is a private tailings dam located in Trevorton, Pennsylvania, in Northumberland County.


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Summary

The dam, with a height of 25 feet and a length of 2652 feet, serves the primary purpose of storing tailings. Managed by the Mine Safety and Health Administration, this dam has a high hazard potential and is not currently in a condition assessment.

Despite not being state-regulated, the dam poses a significant risk and has a high hazard potential. With a storage capacity of 1513 acre-feet, the dam holds a substantial amount of tailings and has not been inspected or assessed for its condition recently. The dam's emergency action plan status and risk assessment are not available, indicating a lack of comprehensive management and oversight for potential environmental and safety concerns.

For water resource and climate enthusiasts, the Reading Anthracite - Trevorton dam presents a case study in the management and regulation of private dams. With its high hazard potential and lack of recent inspections or condition assessments, this dam raises questions about the importance of proper oversight and risk management for tailings storage facilities. It serves as a reminder of the potential environmental and safety risks associated with private dams, especially those with significant storage capacities like the Reading Anthracite - Trevorton dam.

Dam Length

2652

Dam Height

25

Primary Dam Type

Earth

Nid Storage

1513

Hazard Potential

High

Nid Height

25
       
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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.