Scs-Rush Creek Site-029 Reservoir Report

Last Updated: December 9, 2025

SCS-Rush Creek Site-029, located in Garvin, Oklahoma, is a state-regulated dam constructed in 1961 by the USDA NRCS with the primary purpose of flood risk reduction.


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Summary

This Earth-type dam stands at a structural height of 41 feet and has a hydraulic height of 36 feet, with a total length of 680 feet. The dam has a storage capacity of 269 acre-feet, with a normal storage level of 61 acre-feet.

With a low hazard potential and a very high risk assessment rating, SCS-Rush Creek Site-029 is equipped with a controlled spillway and a single valve outlet gate. The dam has not been inspected since 1980 and is currently not rated for its condition. Despite this, the dam is state-permitted, inspected, and enforced, showcasing its commitment to safety and regulation. As water resource and climate enthusiasts, the unique features and risk profile of SCS-Rush Creek Site-029 make it a fascinating case study in dam infrastructure and management in Oklahoma.

Year Completed

1961

Dam Length

680

Dam Height

41

River Or Stream

TR-RUSH CREEK

Primary Dam Type

Earth

Surface Area

10

Hydraulic Height

36

Nid Storage

269

Structural Height

41

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

41
       
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.