Scs-Cow Creek Site-06 Reservoir Report

Last Updated: December 5, 2025

SCS-Cow Creek Site-06, located in Addington, Oklahoma, is a state-regulated earth dam constructed in 1978 by the USDA NRCS with a primary purpose of flood risk reduction.


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Summary

The dam stands at a height of 18 feet and has a hydraulic height of 15 feet, with a storage capacity of 172 acre-feet. It spans a length of 1600 feet and has a controlled spillway width of 1 foot, designed to handle a maximum discharge of 610 cubic feet per second.

Despite being categorized as having a low hazard potential, SCS-Cow Creek Site-06 is in need of a condition assessment as it has not been rated since its last inspection in 1980. The risk assessment for this dam is classified as very high (1), signaling the importance of proper maintenance and monitoring. With the state regulatory agency OWRB overseeing its operations, inspections, and enforcement, SCS-Cow Creek Site-06 serves as a vital infrastructure for flood control in the region, safeguarding against potential inundation and mitigating risks associated with high water events along the TR-Cow Creek.

As water resource and climate enthusiasts, staying informed about the condition and management of dams like SCS-Cow Creek Site-06 is crucial for understanding the role of these structures in protecting communities and ecosystems from the impacts of extreme weather events. By promoting responsible stewardship and proactive risk management measures, we can ensure the continued safety and effectiveness of these essential water management systems in the face of evolving environmental challenges.

Year Completed

1978

Dam Length

1600

Dam Height

18

River Or Stream

TR-COW CREEK

Primary Dam Type

Earth

Surface Area

10

Hydraulic Height

15

Nid Storage

172

Structural Height

18

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

18
       
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.