Oknoname 037068 Reservoir Report

Last Updated: December 6, 2025

Oknoname 037068 is a privately owned dam located in Creek County, Oklahoma, near the city of Sapulpa.


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Summary

Built in 1960, this Earth-type dam stands at a height of 35 feet and has a length of 320 feet, with a maximum storage capacity of 60 acre-feet. Situated on the TR-Rock Creek, this dam serves a primary purpose of "Other" and is regulated by the Oklahoma Water Resources Board (OWRB). Despite its low hazard potential, the dam has a very high risk assessment rating of 1, indicating potential safety concerns that require attention.

Although the dam is currently in "Not Rated" condition, it undergoes inspections every 5 years to ensure its structural integrity and safety. With a controlled spillway and one outlet gate, Oknoname 037068 is equipped to handle a maximum discharge of 500 cubic feet per second. While the risk management measures and emergency preparedness for this dam are not fully detailed, the presence of an Emergency Action Plan (EAP) and updated contact information for emergency situations are crucial components that should be in place. Overall, Oknoname 037068 serves as a vital water resource in the area, emphasizing the importance of proper monitoring and maintenance to safeguard against potential risks.

Year Completed

1960

Dam Length

320

Dam Height

35

River Or Stream

TR-ROCK CREEK

Primary Dam Type

Earth

Surface Area

1

Hydraulic Height

35

Nid Storage

60

Structural Height

35

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

35
       
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.