Scs-Wildhorse Creek Site-003 Reservoir Report

Last Updated: December 17, 2025

Located in Garvin County, Oklahoma, the SCS-Wildhorse Creek Site-003, also known as Wildhorse Creek, Site No 3, is a state-regulated earth dam designed by the USDA NRCS to serve the primary purpose of flood risk reduction.


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Summary

Completed in 1968, this dam stands at a height of 59 feet with a length of 1400 feet and has a storage capacity of 851 acre-feet, providing essential protection for the surrounding area from potential flooding events along Garrison Creek.

With its controlled spillway and valve outlet gates, the SCS-Wildhorse Creek Site-003 has been assessed to have a significant hazard potential and fair condition as of the last inspection in 2011. The risk assessment for this dam indicates a very high risk level, necessitating careful monitoring and potential risk management measures to ensure the safety and integrity of the structure. For water resource and climate enthusiasts, this site offers a fascinating glimpse into the engineering efforts and regulatory oversight involved in managing water resources and reducing flood risks in the region.

Year Completed

1968

Dam Length

1400

Dam Height

59

River Or Stream

GARRISON CREEK

Primary Dam Type

Earth

Surface Area

8

Hydraulic Height

59

Nid Storage

851

Structural Height

59

Outlet Gates

Valve - 1

Hazard Potential

Significant

Foundations

Soil

Nid Height

59
       
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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.