Oknoname 119007 Reservoir Report

Last Updated: December 10, 2025

Oknoname 119007 is a privately owned earth dam located in Perkins, Payne County, Oklahoma.


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Summary

Completed in 1977, the dam stands at 30 feet tall and serves the primary purpose of flood risk reduction along the TR-Wildhorse Creek. With a normal storage capacity of 30 acre-feet and a maximum discharge of 9,000 cubic feet per second, the dam is designed to control water flow during periods of heavy rainfall and prevent flooding in the surrounding area.

Managed by the Oklahoma Water Resources Board (OWRB), Oknoname 119007 has a low hazard potential and is classified as having a very high risk assessment rating. Although the dam has not been rated for condition assessment, it undergoes inspections every 5 years to ensure its structural integrity and functionality. The spillway features a controlled design with a width of 1 foot, and the outlet gates consist of a single valve. Despite being non-Federal, the dam is regulated, permitted, inspected, and enforced by the state, highlighting the importance of state oversight in ensuring the safety and effectiveness of water resource infrastructure.

Overall, Oknoname 119007 plays a crucial role in protecting the local community from flood risks and managing water flow along TR-Wildhorse Creek. As a key component of flood risk reduction efforts in the area, the dam serves as a testament to the collaborative efforts between private owners and state regulators in safeguarding water resources and addressing climate-related challenges in Oklahoma.

Year Completed

1977

Dam Length

283

Dam Height

30

River Or Stream

TR-WILDHORSE CR

Primary Dam Type

Earth

Hydraulic Height

30

Nid Storage

100

Structural Height

30

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

30
       
Seasonal Comparison

Weather Forecast

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.