Scs-Leader-Mid Clr Boggy Cr Site-05 Reservoir Report

Last Updated: December 6, 2025

SCS-Leader-Mid Clr Boggy Cr Site-05, located in Olney, Oklahoma, is a state-regulated earth dam designed by the USDA NRCS for flood risk reduction on TR-Elm Creek.


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Summary

Completed in 1965, this dam stands at a height of 24 feet and has a storage capacity of 305 acre-feet. With a controlled spillway and one outlet valve, the dam has a low hazard potential and has not been rated for condition assessment.

Despite not being regularly inspected since 1980, SCS-Leader-Mid Clr Boggy Cr Site-05 is considered to have a very high risk of failure, likely due to its age and lack of recent maintenance. While the dam serves its primary purpose of flood risk reduction, its condition and risk management measures are not well-documented. With the potential for a high-risk situation, it is crucial for the state regulatory agency OWRB to conduct more frequent inspections and ensure that emergency preparedness protocols are in place to protect downstream communities from the threat of dam failure.

Year Completed

1965

Dam Length

920

Dam Height

24

River Or Stream

TR-ELM CREEK

Primary Dam Type

Earth

Surface Area

8

Hydraulic Height

24

Nid Storage

305

Structural Height

24

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

24
       
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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.