Scs-Big Wewoka Creek Site-22 Reservoir Report
Nearby: Wewoka Scs-Big Wewoka Creek Site-18
Last Updated: December 8, 2025
SCS-Big Wewoka Creek Site-22, also known as "Sportsman's Lake," is a state-owned flood risk reduction structure located in Wewoka, Oklahoma.
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Summary
Built in 1958 by the USDA NRCS, this earth dam stands at a height of 80 feet and spans a length of 1290 feet. With a maximum storage capacity of 11,850 acre-feet and a drainage area of 12.4 square miles, this dam plays a crucial role in managing water levels in the region.
The dam's spillway type is controlled, with a width of 4 feet, and it is equipped with a slide (sluice gate) outlet gate. The structure is regularly inspected, with the last inspection taking place in April 2006. Despite being rated as having a low hazard potential, the dam is classified as having a very high risk due to its condition assessment not being rated. The risk management measures and emergency action plans for this site are currently not available, highlighting the need for continued monitoring and maintenance to ensure the safety and effectiveness of this important water resource infrastructure in Seminole, Oklahoma.
Water resource and climate enthusiasts will find the data on SCS-Big Wewoka Creek Site-22 fascinating, as it provides valuable insights into the design, construction, and operational details of a key flood risk reduction structure in Oklahoma. With its strategic location on Tiger Creek and its role in managing water flow in the region, this dam serves as a critical asset in safeguarding communities from potential flood events. Continued efforts to inspect, assess, and maintain this dam will be essential in mitigating risks and ensuring the long-term resilience of the surrounding area in the face of changing climate conditions.
Year Completed |
1958 |
Dam Length |
1290 |
Dam Height |
80 |
River Or Stream |
TIGER CREEK |
Primary Dam Type |
Earth |
Surface Area |
590 |
Hydraulic Height |
80 |
Drainage Area |
12.4 |
Nid Storage |
11850 |
Structural Height |
80 |
Outlet Gates |
Slide (sluice gate) - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
80 |
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-Big Wewoka Creek Site-22