Glenn Pond Dam 1 Reservoir Report

Last Updated: December 5, 2025

Glenn Pond Dam 1, located in Anderson, South Carolina, is a private-owned structure that serves as a recreational spot for water resource and climate enthusiasts.


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Summary

Completed in 1961, this earth dam stands at a height of 23 feet and has a storage capacity of 40 acre-feet. Despite its primary purpose of recreation, the dam is classified as having a high hazard potential and poor condition assessment, making it a focal point for ongoing maintenance and inspection efforts.

Managed by the South Carolina Department of Health and Environmental Control, Glenn Pond Dam 1 sits on the Big Generostee Creek and is regulated by the state, ensuring that it meets necessary safety standards. The dam's inspection frequency is set at every two years, with the last assessment conducted in December 2019. While the structure lacks associated locks and spillways, its location in a picturesque setting offers a tranquil escape for visitors seeking outdoor activities and natural beauty.

With a captivating history dating back to the 1960s, Glenn Pond Dam 1 remains a significant landmark in the region, attracting both locals and tourists alike. However, its poor condition assessment and high hazard potential highlight the importance of ongoing risk management measures and emergency preparedness. As climate change continues to impact water resources, ensuring the safety and maintenance of infrastructure like Glenn Pond Dam 1 becomes increasingly vital for the surrounding community and environmental sustainability.

Year Completed

1961

Dam Length

275

Dam Height

23

River Or Stream

TR-BIG GENEROSTEE CREEK

Primary Dam Type

Earth

Surface Area

4

Nid Storage

40

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

23
       
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.