Edwards C. Reservoir Report

Last Updated: December 5, 2025

Edwards C.


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Summary

is a privately owned Earth dam located in Fairview, Oklahoma, along the TR-BARNEY CREEK. Completed in 1965, this structure stands at 18 feet tall and stretches 500 feet in length, with a storage capacity of 64 acre-feet. Despite its low hazard potential, Edwards C. has been categorized with a very high risk assessment due to its age and lack of recent condition assessments. The dam is regulated by the Oklahoma Water Resources Board (OWRB) and is subject to regular inspections, permitting, and enforcement.

The dam's primary purpose is classified as "Other" and it is primarily constructed with stone core types and soil foundations. It features a controlled spillway with a width of 1 foot and an outlet gate consisting of a single valve. Edwards C. is under the jurisdiction of the state of Oklahoma and falls within the Tulsa District of the US Army Corps of Engineers. While the dam has not been modified in recent years, it is crucial that risk management measures are implemented to ensure the safety and integrity of this essential water resource infrastructure.

For water resource and climate enthusiasts, Edwards C. serves as a fascinating example of a privately owned Earth dam in Oklahoma. Despite its relatively small size and low hazard potential, the dam poses a significant risk due to its age and lack of recent condition assessments. It is imperative that the appropriate regulatory agencies, such as the OWRB and USACE, continue to monitor and inspect Edwards C. regularly to mitigate potential risks and ensure the safety of the surrounding community and environment.

Year Completed

1965

Dam Length

500

Dam Height

18

River Or Stream

TR-BARNEY CREEK

Primary Dam Type

Earth

Surface Area

4

Hydraulic Height

18

Nid Storage

64

Structural Height

18

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

18
       
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.