Wallace Jessie M Reservoir Report

Last Updated: December 6, 2025

Wallace Jessie M is a privately owned dam located in Kingfisher, Oklahoma, on TR-Uncle Johns Creek.


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Summary

Built in 1965, this Earth-type dam stands at 32 feet high with a length of 775 feet, providing a storage capacity of 135 acre-feet. With a low hazard potential and a very high risk assessment rating, the dam is under state regulation and inspection by the Oklahoma Water Resources Board.

Despite its age, Wallace Jessie M has not been rated for its current condition, and its emergency action plan (EAP) status is unknown. The dam features a controlled spillway with a width of 1 foot and one outlet gate. With a maximum discharge rate of 9100 cubic feet per second, it serves a crucial role in managing water resources in the area. The dam's risk management measures and inundation maps are also currently unspecified.

For water resource and climate enthusiasts, Wallace Jessie M presents an intriguing case study in dam infrastructure. As a privately owned structure with state jurisdiction, the dam's risk assessment and management processes offer valuable insights into the challenges and considerations involved in maintaining and regulating critical water resources. With a unique design and historical significance, Wallace Jessie M stands as a testament to the importance of sustainable water management practices in the face of changing climate conditions.

Year Completed

1965

Dam Length

775

Dam Height

32

River Or Stream

TR-UNCLE JOHNS CREEK

Primary Dam Type

Earth

Surface Area

5

Hydraulic Height

32

Nid Storage

135

Structural Height

32

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

32
       
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.