Renaissance Regional Basin Reservoir Report

Last Updated: December 5, 2025

The Renaissance Regional Basin, located in Montgomery County, Pennsylvania, is a privately owned dam designed for flood risk reduction along the TR Schuylkill River.


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Summary

The dam stands at a height of 15 feet and spans 600 feet in length, with a storage capacity of 24 acre-feet. Managed by the Pennsylvania Department of Environmental Protection, the dam is regulated, inspected, and enforced by state authorities to ensure its safety and functionality.

With a significant hazard potential but a satisfactory condition assessment, the Renaissance Regional Basin is a crucial infrastructure for mitigating flood risks in the Upper Merion Township area. Despite lacking detailed information on its construction year and specific design features, the dam serves a primary purpose of flood risk reduction and plays a vital role in protecting the surrounding community from potential water-related disasters. The dam's last inspection in April 2020 indicates a regular inspection frequency to maintain its operational integrity.

As water resource and climate enthusiasts, understanding the critical role of structures like the Renaissance Regional Basin is essential for safeguarding communities against flooding and water-related emergencies. With its location along the TR Schuylkill River and under the jurisdiction of state regulatory agencies, this dam serves as a key asset in managing water flow and reducing flood risks in the region. Ongoing monitoring and maintenance efforts ensure the dam's continued effectiveness in protecting the local environment and population.

Dam Length

600

Dam Height

15

River Or Stream

TR SCHUYLKILL RIVER

Primary Dam Type

Earth

Drainage Area

0.23

Nid Storage

24

Hazard Potential

Significant

Foundations

Unlisted/Unknown

Nid Height

15
       
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.