Oknoname 30067 Reservoir Report

Last Updated: December 18, 2025

Oknoname 30067 is a privately owned earth dam located in Alfalfa, Oklahoma, with a primary purpose of irrigation.


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Summary

Constructed in 1995 by the USDA NRCS, this dam stands at a height of 24 feet and has a storage capacity of 228 acre-feet. Situated on the UNNAMED TR EAGLE CHIEF CREEK, this dam is under the regulatory jurisdiction of the Oklahoma Water Resources Board (OWRB) and is subject to state permitting, inspection, and enforcement.

The dam has a controlled spillway and an outlet gate with one valve. While its hazard potential is currently classified as undetermined and its condition assessment is not rated, the risk assessment for Oknoname 30067 is very high. With a drainage area of 1620 acres and a maximum discharge of 32 cubic feet per second, this dam plays a crucial role in water resource management in the area. Despite not being under the jurisdiction of a federal agency, the dam is subject to state regulation and oversight to ensure its safe operation and maintenance.

In conclusion, Oknoname 30067 serves as a vital infrastructure for irrigation in Alfalfa County, Oklahoma, and its surrounding areas. Managed by a private entity, this earth dam provides essential water storage for agricultural purposes. With its risk assessment indicating a high level of potential hazard, continued monitoring and maintenance are essential to ensure the safety and effectiveness of this important water resource structure.

Year Completed

1995

Dam Height

24

River Or Stream

UNNAMED TR EAGLE CHIEF CREEK

Primary Dam Type

Earth

Hydraulic Height

24

Drainage Area

1620

Nid Storage

228

Structural Height

24

Outlet Gates

Valve - 1

Hazard Potential

Undetermined

Foundations

Soil

Nid Height

24
       
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.