Oklahoma School Land Reservoir Report

Last Updated: December 6, 2025

Located in Comanche County, Oklahoma, the Oklahoma School Land dam stands as a testament to the state's commitment to water resource management.


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Summary

Built in 1964, this earth dam serves as a vital structure on the TR-E Cache Creek, providing essential water storage with a capacity of 196 acre-feet. With a spillway width of 1 foot and a controlled spillway type, the dam is well-equipped to handle maximum discharges of up to 57 cubic feet per second.

Managed by the Oklahoma Water Resources Board, the Oklahoma School Land dam has been designated as a state-regulated entity with state jurisdiction and permitting. Despite its low hazard potential and not being rated for condition assessment, the dam's risk assessment categorizes it as having a high risk level, emphasizing the need for proper monitoring and maintenance. With emergency action plans and inundation maps yet to be prepared, there is a clear opportunity for further development in ensuring the safety and resilience of this crucial water resource infrastructure.

Offering a glimpse into the intersection of water resource management and climate resilience in Oklahoma, the Oklahoma School Land dam serves as a reminder of the importance of sustainable infrastructure planning. With a rich history dating back to the 1960s, this dam stands as a critical piece of the state's water infrastructure, supporting the surrounding community and ecosystem. As water resource and climate enthusiasts continue to monitor and assess the dam's condition, there is an ongoing need for proactive measures to mitigate risks and ensure the long-term viability of this essential structure.

Year Completed

1964

Dam Length

1200

Dam Height

22.5

River Or Stream

TR-E CACHE CR

Primary Dam Type

Earth

Surface Area

9.41

Hydraulic Height

22.5

Nid Storage

196

Structural Height

22.5

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

23
       
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.