Summer Cat I Emergency Cooling Water Reservoir Report
Nearby: Fairfield Dam D Fairfield Dam C
Last Updated: December 15, 2025
Summer Cat I Emergency Cooling Water is a crucial public utility structure located in Jenkinsville, South Carolina.
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Summary
Built in 1979, this Earth-type dam stands at a height of 113 feet and has a storage capacity of 1600 acre-feet. Despite being regulated by the Nuclear Regulatory Commission, this dam is classified as having a low hazard potential and satisfactory condition assessment.
Situated on the Frees Creek, this dam serves as emergency cooling water for nuclear facilities in the area. With a surface area of 44 acres, this structure plays a vital role in maintaining the safety and efficiency of the surrounding nuclear infrastructure. Although it has not undergone recent modifications, regular inspections are conducted to ensure its continued functionality.
Managed by the US NRC, Summer Cat I Emergency Cooling Water is a critical asset in the region's water resource management and climate resilience efforts. With its moderate risk assessment rating and strategic location within the Savannah District, this dam serves as a key component in the area's emergency response and disaster preparedness plans. Its presence underscores the importance of sustainable water infrastructure in safeguarding against potential climate-related challenges.
Year Completed |
1979 |
Dam Length |
5315 |
Dam Height |
113 |
River Or Stream |
FREES CREEK |
Primary Dam Type |
Earth |
Surface Area |
44 |
Nid Storage |
1600 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
113 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Broad River At Alston
|
1790cfs |
Saluda River Below Lk Murray Dam Nr Columbia
|
790cfs |
Bush River Nr Prosperity
|
38cfs |
Tyger River Near Delta
|
375cfs |
Broad River Near Carlisle
|
1320cfs |
Enoree River At Whitmire
|
207cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Summer Cat I Emergency Cooling Water