Harbison Floodwtr Det Dam Reservoir Report
Nearby: Harbison New Town Lake Dys Dam
Last Updated: December 13, 2025
Harbison Floodwater Detention Dam, located in Richland, South Carolina, along the Stoop Creek, was completed in 1983 with the primary purpose of flood risk reduction.
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Summary
This privately owned earth dam stands at 17 feet tall and spans a length of 500 feet, offering a storage capacity of 137 acre-feet. Despite its fair condition assessment and high hazard potential, the dam has been inspected regularly by the South Carolina Department of Health and Environmental Control, with the last inspection conducted in July 2020.
Managed by a private entity, Harbison Floodwater Detention Dam is regulated by the state and operates under the jurisdiction of the South Carolina DHEC. The dam's spillway type is uncontrolled, and it boasts a moderate risk assessment rating of 3. While the dam does not have associated locks or lock structures, it serves as a critical infrastructure for flood control in the region. With its strategic location and capacity to mitigate flood risks, this dam plays a vital role in protecting the surrounding communities from potential water-related disasters.
Year Completed |
1983 |
Dam Length |
500 |
Dam Height |
17 |
River Or Stream |
STOOP CREEK |
Primary Dam Type |
Earth |
Nid Storage |
137 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
17 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Saluda River Near Columbia
|
907cfs |
Saluda River Below Lk Murray Dam Nr Columbia
|
790cfs |
Smith Branch At North Main St At Columbia
|
3cfs |
Congaree River At Columbia
|
3010cfs |
Gills Creek At Columbia
|
37cfs |
Broad River At Alston
|
1880cfs |
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.
Harbison Floodwtr Det Dam