Oknoname 143006 Reservoir Report

Last Updated: December 5, 2025

Oknoname 143006 is a privately owned dam located in Tulsa, Oklahoma, specifically in the city of RED FORK.


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Summary

The dam was completed in 1960 and stands at a height of 25 feet, with a length of 750 feet. Its primary purpose is for recreation, with a normal storage capacity of 60 acre-feet and a maximum storage of 130 acre-feet. The dam overlooks the TR-BERRYHILL CR river or stream and is regulated by the Oklahoma Water Resources Board (OWRB).

Despite its low hazard potential, Oknoname 143006 poses a very high risk due to its location and age. The dam has a controlled spillway and a single outlet valve, with a maximum discharge capacity of 800 cubic feet per second. Although it has not been rated for its condition assessment, the dam undergoes inspections every 5 years, with the last one conducted in December 2010. It is important for water resource and climate enthusiasts to monitor this structure closely to ensure the safety and integrity of the dam and surrounding areas in case of emergencies.

In the event of any potential risks or emergencies, it is crucial for the owners and authorities to have an Emergency Action Plan (EAP) in place, as well as updated contact information and inundation maps. With proper risk management measures, Oknoname 143006 can continue to serve its recreational purpose while ensuring the safety of the community and the environment.

Year Completed

1960

Dam Length

750

Dam Height

25

River Or Stream

TR-BERRYHILL CR

Primary Dam Type

Earth

Surface Area

6

Hydraulic Height

25

Nid Storage

130

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.