Oknoname 30151 Reservoir Report

Last Updated: December 6, 2025

Oknoname 30151 is a private earth dam located in Pushmataha County, Oklahoma, along the Noname Tributary of Caney Creek.


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Summary

Built in 2000 by USDA NRCS, this dam stands at a height of 33.6 feet, with a hydraulic height of 31.4 feet and a structural height of 37.6 feet. It has a storage capacity of 124 acre-feet, with a spillway type of "Controlled" and a maximum discharge of 3.5 cubic feet per second.

Despite being categorized as having a low hazard potential, Oknoname 30151 is considered to have a very high risk level, with a risk assessment rating of 1. The dam is regulated by the Oklahoma Water Resources Board (OWRB) and is subject to state permitting, inspection, and enforcement. The last inspection of the dam took place in October 2009, with a regular inspection frequency of 5 years. While the condition of the dam is currently not rated, emergency action plans and risk management measures are not specified in the available data.

Overall, Oknoname 30151 serves a primary purpose of "Other" and is crucial for water resource management in the area. With its strategic location and significant storage capacity, this dam plays a vital role in flood control, irrigation, and water supply for the surrounding communities. Climate and water resource enthusiasts would find Oknoname 30151 to be an interesting case study in dam construction, regulation, and risk assessment in the state of Oklahoma.

Year Completed

2000

Dam Length

570

Dam Height

33.6

River Or Stream

NONAME TRIB CANEY CREEK

Primary Dam Type

Earth

Surface Area

10.2

Hydraulic Height

31.4

Drainage Area

119

Nid Storage

124

Structural Height

37.6

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

38
       
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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.