Scs-Rainy Mountain Creek Site-29a Reservoir Report

Last Updated: December 6, 2025

SCS-Rainy Mountain Creek Site-29a is a state-regulated earth dam located in Kiowa, Oklahoma, designed by the USDA NRCS and completed in 1971 for the primary purpose of flood risk reduction along the TR-Rainy Mountain Creek.


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Summary

The dam stands at a height of 33 feet with a hydraulic height of 29 feet and a length of 2525 feet, providing a maximum storage capacity of 2420 acre-feet. Despite being classified as a low hazard potential structure, the dam has a very high risk assessment rating of 1, indicating the importance of effective risk management measures.

The dam features a controlled spillway with a width of 2 feet and a single valve outlet gate. It has not been inspected since 1980, with an inspection frequency of 5 years, and its condition assessment is currently listed as "not rated." While an Emergency Action Plan (EAP) has not been prepared for the site, the dam's risk assessment suggests the need for proactive emergency management strategies. With a risk management summary and measures not yet specified, there is a potential for enhancement in the overall safety and resilience of SCS-Rainy Mountain Creek Site-29a for the surrounding community and water resources.

Given its critical role in flood risk reduction and the high-risk assessment, stakeholders and climate enthusiasts in the area should closely monitor the condition and management of SCS-Rainy Mountain Creek Site-29a. It is essential to prioritize the implementation of an updated EAP, conduct regular inspections, and develop effective risk management measures to ensure the continued safety and functionality of the dam. By taking proactive steps to address the identified risks and vulnerabilities, the site can better protect the local community and water resources from potential emergencies and disasters.

Year Completed

1971

Dam Length

2525

Dam Height

33

River Or Stream

TR-RAINY MOUNTAIN CREEK

Primary Dam Type

Earth

Surface Area

126

Hydraulic Height

29

Nid Storage

2420

Structural Height

33

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

33
       
Seasonal Comparison

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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.