Oknoname 30253 Reservoir Report

Last Updated: December 6, 2025

Oknoname 30253 is a privately owned earth dam located in Caddo, Oklahoma, along the Dead Woman/Deer Creek.


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Summary

Built by USDA NRCS in 2009, this dam stands at a height of 20.2 feet with a structural height of 26.5 feet. It has a storage capacity of 36.59 acre-feet and covers a surface area of 3.17 acres, serving a drainage area of 2.53 square miles. The dam features a controlled spillway and is equipped with a single valve outlet gate for water release.

Despite being categorized as having a low hazard potential, Oknoname 30253 is considered to have a very high risk level, warranting attention to its management and maintenance. The dam is regulated by the Oklahoma Water Resources Board (OWRB) and undergoes regular inspections, with the last inspection conducted in September 2010. While the condition assessment is currently marked as "Not Rated," the dam's risk assessment highlights the importance of implementing effective risk management measures to ensure its continued safety and functionality.

With a primary purpose classified as "Other," Oknoname 30253 serves as a crucial infrastructure for water resource management in the region. Its presence along the Dead Woman/Deer Creek contributes to flood control and water storage, playing a significant role in the overall water supply and climate resilience efforts in the area. As a notable structure in the Tulsa District, this dam underscores the importance of proactive monitoring and maintenance practices to safeguard water resources and mitigate potential risks associated with dam failures.

Year Completed

2009

Dam Length

250

Dam Height

20.2

River Or Stream

DEAD WOMAN/DEER CREEK

Primary Dam Type

Earth

Surface Area

3.17

Hydraulic Height

15

Drainage Area

2.53

Nid Storage

36.59

Structural Height

26.5

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

27
       
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.