Scs-Wildhorse Creek Site-075 Reservoir Report

Last Updated: December 16, 2025

SCS-Wildhorse Creek Site-075, located in Murray County, Oklahoma, is a state-regulated earth dam designed by the USDA NRCS in 1967 for flood risk reduction along the TR-Squirrel Creek.


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Summary

With a height of 37 feet and a length of 1150 feet, this dam provides a storage capacity of 205 acre-feet and a maximum discharge of 1160 cubic feet per second. Despite being deemed low hazard potential, the risk assessment for this dam indicates a very high risk level, emphasizing the importance of regular inspections and maintenance.

Owned by the state and regulated by the OWRB, SCS-Wildhorse Creek Site-075 features a controlled spillway and a single valve outlet gate. Although last inspected in 1980, with an inspection frequency of 5 years and no condition assessment rating available, the dam's emergency action plan status, risk management measures, and inundation maps are unknown. The surrounding area, with a surface area of 3 acres, faces a very high risk (level 1) due to the dam's condition and potential impact in case of failure.

Water resource and climate enthusiasts interested in the infrastructure and management of dams will find SCS-Wildhorse Creek Site-075 a fascinating case study, showcasing the challenges and considerations involved in maintaining aging flood control structures. Its location in Oklahoma, along with the involvement of federal agencies like the NRCS, adds layers of complexity to its regulatory oversight and maintenance practices, making it a noteworthy site for further research and monitoring in the realm of water resource management and climate resilience.

Year Completed

1967

Dam Length

1150

Dam Height

37

River Or Stream

TR-SQUIRREL CREEK

Primary Dam Type

Earth

Surface Area

3

Hydraulic Height

37

Nid Storage

205

Structural Height

37

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

37
       
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.