Scs-Round Creek Site-8 Reservoir Report
Nearby: Scs-Round Creek Site-7 Barrington-16
Last Updated: December 6, 2025
Located in Grady County, Oklahoma, SCS-Round Creek Site-8 is a state-regulated earth dam constructed in 1959 by the USDA NRCS for the primary purpose of flood risk reduction along the TR-Sandy Creek.
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Summary
Standing at a structural height of 30 feet and a length of 980 feet, this dam has a storage capacity of 365 acre-feet and a maximum discharge of 1490 cubic feet per second. Despite being classified as having a low hazard potential, the risk assessment for SCS-Round Creek Site-8 indicates a very high risk level, emphasizing the importance of regular inspections and maintenance.
The dam features a controlled spillway with a width of 1 foot and an outlet gate consisting of a single valve. While the condition assessment is currently listed as "Not Rated," the last inspection date recorded was in 1980 with a recommended inspection frequency of every 5 years. The dam is owned by the state of Oklahoma and falls under the regulatory authority of the OWRB, with state permitting, inspection, and enforcement protocols in place to ensure its integrity and safety. Additionally, the site is within the jurisdiction of the state and is subject to state-regulated guidelines.
Overall, SCS-Round Creek Site-8 serves as a vital infrastructure for flood risk management in the region, highlighting the collaborative efforts between federal and state agencies to protect the community from potential hazards. With its strategic location and design specifications, this earth dam continues to play a crucial role in water resource management and climate resilience efforts, underscoring the importance of ongoing monitoring and risk mitigation strategies to safeguard the surrounding area from potential inundation events.
Year Completed |
1959 |
Dam Length |
980 |
Dam Height |
30 |
River Or Stream |
TR-SANDY CR |
Primary Dam Type |
Earth |
Surface Area |
8 |
Hydraulic Height |
30 |
Nid Storage |
365 |
Structural Height |
30 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
30 |
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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-8