Scs-Round Creek Site-5 Reservoir Report
Last Updated: December 6, 2025
SCS-Round Creek Site-5, located in Grady County, Oklahoma, is a state-regulated earth dam built in 1960 by the USDA NRCS for the primary purpose of flood risk reduction along the Larimore Creek.
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Summary
Standing at 31 feet in height and spanning 1300 feet in length, this dam has a storage capacity of 1101 acre-feet and a maximum discharge rate of 3850 cubic feet per second. The dam features a stone core foundation and a controlled spillway with a width of 1 foot.
Despite being classified as a low hazard potential structure, the risk assessment for SCS-Round Creek Site-5 indicates a very high risk level (1). The condition of the dam is currently not rated, with the last inspection taking place in 1980. With a designated inspection frequency of 5 years, the dam's emergency action plan status, inundation maps, and risk management measures are not reported in the available data. The dam is under the jurisdiction of the Oklahoma Water Resources Board and meets state permitting, inspection, and enforcement requirements.
Water resource and climate enthusiasts interested in the SCS-Round Creek Site-5 in Oklahoma will find a well-maintained earth dam designed for flood risk reduction along the Larimore Creek. With a rich history dating back to 1960, this dam serves as a critical infrastructure for managing water flow in the region. While it has shown a low hazard potential, the high-risk assessment suggests a need for continued monitoring and evaluation to ensure the safety and effectiveness of this essential water resource structure.
Year Completed |
1960 |
Dam Length |
1300 |
Dam Height |
31 |
River Or Stream |
LARIMORE CR |
Primary Dam Type |
Earth |
Surface Area |
26 |
Hydraulic Height |
31 |
Nid Storage |
1101 |
Structural Height |
31 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
31 |
Seasonal Comparison
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Nearby Streamflow Levels
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.
Scs-Round Creek Site-5