Oknoname 049018 Reservoir Report

Last Updated: December 13, 2025

Oknoname 049018 is a privately owned Earth dam located in Paoli, Oklahoma.


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Summary

Built in 1956, this dam stands at a height of 21 feet and has a hydraulic height of 17 feet. With a storage capacity of 100 acre-feet, this dam serves as a crucial structure for water resource management in the area. The dam's primary purpose is listed as 'Other', highlighting its significance beyond just flood control or irrigation.

Managed by the Oklahoma Water Resources Board, Oknoname 049018 is regulated, inspected, and enforced by the state. Despite its low hazard potential, the dam is categorized as having a very high risk level, signifying the importance of ongoing risk management measures. The dam features a controlled spillway, one outlet gate, and a surface area of 7 acres. With its close proximity to the TR-Washita River, this dam plays a vital role in water storage and management within the region.

Although not federally owned, Oknoname 049018 serves as a key component of the local water infrastructure. With its stone core and soil foundation, the dam's design and construction reflect the engineering practices of the time. As climate change continues to impact water resources, dams like Oknoname 049018 will be crucial for ensuring water security and mitigating flood risks in the future.

Year Completed

1956

Dam Length

700

Dam Height

21

River Or Stream

TR-WASHITA RIV

Primary Dam Type

Earth

Surface Area

7

Hydraulic Height

17

Nid Storage

100

Structural Height

21

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

21
       
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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.