Scs-Quapaw Creek Site-39 Reservoir Report
Last Updated: December 9, 2025
SCS-Quapaw Creek Site-39, located in Lincoln, Oklahoma, is a state-regulated earth dam designed by USDA NRCS in 1973 for flood risk reduction along the TR-SOUTH QUAPAW CR.
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Summary
Standing at a height of 37 feet and a length of 1150 feet, the dam has a storage capacity of 415 acre-feet and a spillway width of 1 foot. Despite its low hazard potential, the risk assessment categorizes it as very high (1), emphasizing the importance of regular inspections and maintenance to ensure its structural integrity.
Managed by the Oklahoma Water Resources Board, this dam features a controlled spillway and a single valve outlet gate for water release. While its condition is currently rated as "Not Rated," the last inspection was conducted in 1980 with an inspection frequency of every 5 years. With its primary purpose being flood risk reduction, the dam plays a crucial role in mitigating potential flooding events in the area and protecting nearby communities and infrastructure from the impacts of extreme weather events. For water resource and climate enthusiasts, SCS-Quapaw Creek Site-39 serves as a fascinating case study in dam engineering and resilience planning in the face of changing climate patterns and increasing flood risks.
Year Completed |
1973 |
Dam Length |
1150 |
Dam Height |
37 |
River Or Stream |
TR-SOUTH QUAPAW CR |
Primary Dam Type |
Earth |
Surface Area |
9 |
Hydraulic Height |
37 |
Nid Storage |
415 |
Structural Height |
37 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
37 |
Seasonal Comparison
Weather Forecast
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-Quapaw Creek Site-39