Blue River Dam Reservoir Report

Last Updated: December 5, 2025

Blue River Dam, located in Armstrong, Oklahoma, is a crucial water supply infrastructure owned by the local government.


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Summary

Completed in 1979, this earth dam stands at a height of 40 feet and has a hydraulic height of 36 feet, serving the primary purpose of water supply. With a storage capacity of 264 acre-feet and a drainage area of 640 square miles, the dam plays a pivotal role in managing the water resources of the region.

Despite its importance, Blue River Dam has been assessed to have a high hazard potential and poor condition, making it a cause for concern. The dam's last inspection in May 2020 revealed its deteriorating state, prompting the need for immediate attention and maintenance. With a very high risk rating and a history of poor condition assessment, it is evident that effective risk management measures need to be implemented to ensure the safety and functionality of this critical water infrastructure.

As water resource and climate enthusiasts, the condition of Blue River Dam highlights the importance of proactive maintenance and risk assessment in safeguarding vital water supply structures. With the dam's high hazard potential and deteriorating condition, there is a pressing need for improved management and investment in order to mitigate risks and ensure the continued availability of water resources for the community it serves.

Year Completed

1979

Dam Length

1370

Dam Height

40

River Or Stream

TR-MINERAL BAYOU

Primary Dam Type

Earth

Hydraulic Height

36

Drainage Area

640

Nid Storage

264

Structural Height

40

Outlet Gates

Valve - 1

Hazard Potential

High

Foundations

Soil

Nid Height

40
       
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.