Scs-Wildhorse Creek Site-035 Reservoir Report

Last Updated: December 8, 2025

SCS-Wildhorse Creek Site-035, also known as Wildhorse Creek, Site No 35, is a state-regulated dam located in Stephens, Oklahoma.


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Summary

Built in 1957 by the USDA NRCS, this earth dam stands at a height of 22 feet and spans a length of 1275 feet. Its primary purpose is flood risk reduction for the TR-Wildhorse Creek, with a storage capacity of 548 acre-feet and a maximum discharge of 2220 cubic feet per second.

Despite its low hazard potential, the dam at SCS-Wildhorse Creek Site-035 is considered to have a very high risk, with a risk assessment rating of 1. The condition assessment is currently not rated, as the last inspection took place in 1980. The dam features a controlled spillway with a width of 1 foot and a single valve outlet gate. While emergency action plans and risk management measures are not specified, the dam meets state permitting, inspection, and enforcement requirements set by the Oklahoma Water Resources Board.

For water resource and climate enthusiasts, SCS-Wildhorse Creek Site-035 presents an intriguing case study in dam management and risk assessment. With its historical significance and ongoing regulatory oversight, this dam serves as a vital component in flood prevention efforts along the TR-Wildhorse Creek in Oklahoma. As discussions around water infrastructure and climate resilience continue to evolve, the importance of maintaining and monitoring dams like SCS-Wildhorse Creek Site-035 becomes increasingly apparent.

Year Completed

1957

Dam Length

1275

Dam Height

22

River Or Stream

TR-WILDHORSE CREEK

Primary Dam Type

Earth

Surface Area

27

Hydraulic Height

22

Nid Storage

548

Structural Height

22

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

22
       
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.