Brantley Leva Joy Reservoir Report

Last Updated: December 6, 2025

Brantley Leva Joy, located in Sterling, Oklahoma, is a privately owned irrigation dam on Beaver Creek.


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Summary

Built in 1965, this earth dam stands at a height of 26 feet and has a length of 780 feet, providing a storage capacity of 140 acre-feet. It serves the primary purpose of irrigation, with a normal storage capacity of 80 acre-feet and a maximum discharge rate of 2100 cubic feet per second.

Managed by the Oklahoma Water Resources Board, Brantley Leva Joy is state-regulated and undergoes regular inspections to ensure its safety and functionality. Despite having a low hazard potential, the dam is classified as having a very high risk due to its condition assessment being labeled as "Not Rated." Emergency action plans and risk management measures are currently not available for this structure, highlighting potential areas for improvement in the future.

Overall, Brantley Leva Joy is an essential resource for water management in Comanche County, Oklahoma. With its strategic location on Beaver Creek and critical role in irrigation, this dam stands as a key infrastructure for supporting agricultural activities in the region. Continued monitoring and investment in safety measures will be crucial to ensuring the long-term resilience of this vital water resource in the face of changing climatic conditions.

Year Completed

1965

Dam Length

780

Dam Height

26

River Or Stream

BEAVER CR

Primary Dam Type

Earth

Surface Area

31

Hydraulic Height

26

Nid Storage

140

Structural Height

26

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

26
       
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.