Lancaster Co Wtrwrks Dam Reservoir Report

Last Updated: December 15, 2025

Lancaster CO Waterworks Dam, located in South Carolina, serves as a crucial water supply infrastructure for the local government.


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Summary

Constructed in 1962, this earth dam stands at a height of 16 feet and has a length of 425 feet, with a maximum storage capacity of 1125 acre-feet. The dam is situated on Bear Creek and has a primary purpose of supplying water to the surrounding area, with a normal storage capacity of 725 acre-feet and a surface area of 90 acres.

Despite being classified as having a high hazard potential, the dam's condition assessment in 2017 deemed it to be in fair condition. The inspection frequency for the dam is every 2 years, with the last assessment conducted in October 2017. While the risk assessment for the dam is classified as moderate, measures for risk management and emergency preparedness are not explicitly documented in the available data. Overall, Lancaster CO Waterworks Dam plays a vital role in water resource management in the region, highlighting the importance of maintaining and monitoring such critical infrastructure to ensure the safety and security of the community.

Year Completed

1962

Dam Length

425

Dam Height

16

River Or Stream

BEAR CREEK

Primary Dam Type

Earth

Surface Area

90

Nid Storage

1125

Hazard Potential

High

Foundations

Rock, Soil

Nid Height

16
       
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.