Oknoname 121014 Reservoir Report

Last Updated: December 6, 2025

Oknoname 121014, also known as Wilbur Shirley Irrigation Str., is a private water resource structure located in Burns Chapel, Pittsburg, Oklahoma.


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Summary

Managed by the USDA NRCS, this earth dam was completed in 1977 and serves various purposes, including irrigation. With a dam height of 19 feet and a storage capacity of 75 acre-feet, it plays a crucial role in water management in the area.

The dam is regulated by the Oklahoma Water Resources Board and undergoes regular inspections, with a low hazard potential attributed to it. Despite being rated as "Not Rated" in terms of condition assessment, it poses a very high risk according to the risk assessment. With a controlled spillway and a valve outlet gate, the structure is designed to handle a maximum discharge of 8748 cubic feet per second, ensuring the safety and efficiency of the water flow in the TR-CANADIAN RIV river/stream.

Overall, Oknoname 121014 stands as a significant water resource infrastructure in Oklahoma, contributing to the state's irrigation needs and water management efforts. With its unique design features and regulatory oversight, this earth dam remains a vital component in the region's water infrastructure, highlighting the importance of sustainable water resource management in the face of changing climate conditions.

Year Completed

1977

Dam Length

712

Dam Height

19

River Or Stream

TR-CANADIAN RIV

Primary Dam Type

Earth

Hydraulic Height

16

Nid Storage

75

Structural Height

19

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

19
       
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.