Stinson Reservoir Report

Last Updated: December 5, 2025

Stinson, located in Hardesty, Oklahoma, is a privately owned earth dam constructed in 1960 by the USDA NRCS.


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Summary

This dam, standing at a height of 25 feet and spanning a length of 465 feet, serves a primary purpose classified as "Other" and has a maximum storage capacity of 150 acre-feet. The dam is regulated by the Oklahoma Water Resources Board (OWRB) and undergoes regular inspections, with the last one conducted in December 2010.

The Stinson dam, situated on TR-Hackberry-Cr, boasts a controlled spillway with a width of 1 foot and is equipped with a single valve outlet gate. Despite its low hazard potential, the dam poses a high risk due to its very high risk assessment rating. While the condition assessment is currently listed as "Not Rated," the dam's risk management measures and emergency action plan status are not provided in the available data. Stinson's strategic location in the Tulsa District further emphasizes its significance in water resource management and flood control efforts in the region.

Water resource and climate enthusiasts will find Stinson to be a noteworthy structure in Texas County, Oklahoma, with its critical role in water storage and management. As a privately owned dam with state jurisdiction and regulatory oversight, Stinson stands as a testament to collaborative efforts between government agencies and private entities in safeguarding water resources and ensuring public safety. The dam's historical significance, combined with its modern-day risk assessment challenges, presents an intriguing case study for those interested in the intersection of infrastructure, environmental management, and climate resilience in the face of changing weather patterns and hydrological dynamics.

Year Completed

1960

Dam Length

465

Dam Height

25

River Or Stream

TR-HACKBERRY-CR

Primary Dam Type

Earth

Surface Area

1

Hydraulic Height

25

Nid Storage

150

Structural Height

25

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

25
       
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.