Scs-Cotton-Coon-Mission Cr Site-001 Reservoir Report

Last Updated: December 13, 2025

SCS-Cotton-Coon-Mission Cr Site-001 is a state-regulated earth dam located in Osage, Oklahoma, designed by the USDA NRCS with a primary purpose of flood risk reduction on TR-Mission Creek.


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Summary

Completed in 1978, this dam stands at a height of 48 feet and has a storage capacity of 960 acre-feet. With a controlled spillway type and a low hazard potential, this dam serves as a critical infrastructure in the Tulsa District for managing flood risks in the area.

Managed by the OWRB and inspected periodically since its completion, the SCS-Cotton-Coon-Mission Cr Site-001 dam boasts a very high risk assessment rating, indicating its importance in mitigating potential disasters in the region. Despite not being rated for condition assessment, this dam's strategic location and design make it a key component in the overall risk management strategy for the area. With a single valve outlet gate and a surface area of 19 acres, this dam plays a crucial role in protecting the surrounding communities from flooding events.

Overall, SCS-Cotton-Coon-Mission Cr Site-001 is a well-maintained and essential piece of infrastructure in Bartlesville, Oklahoma, with a strong focus on flood risk reduction. As a state-regulated earth dam with a solid track record of inspections and risk management measures, this dam exemplifies the importance of water resource management and climate resilience efforts in safeguarding communities and ecosystems against the impacts of extreme weather events.

Year Completed

1978

Dam Length

1074

Dam Height

48

River Or Stream

TR-MISSION CREEK

Primary Dam Type

Earth

Surface Area

19

Hydraulic Height

43

Nid Storage

960

Structural Height

48

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

48
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.