Oknoname 051039 Reservoir Report

Last Updated: December 8, 2025

Oknoname 051039 is a privately owned earth dam located in Norman, Oklahoma, with a primary purpose classified as "Other".


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Summary

Built in 1960, this dam stands at a height of 20 feet and has a storage capacity of 80 acre-feet. The dam spans a length of 310 feet and is primarily composed of stone and soil. With a controlled spillway and a low hazard potential, this structure is regulated, inspected, and enforced by the Oklahoma Water Resources Board (OWRB).

Situated on TR-EAST CR in Grady County, this dam serves as a crucial water resource for the surrounding area. With a normal storage capacity of 40 acre-feet and a maximum discharge rate of 2730 cubic feet per second, Oknoname 051039 plays a significant role in managing water levels and mitigating flood risks in the region. Despite being classified as having a very high risk assessment due to its age, this dam has not been rated for its current condition and lacks a detailed emergency action plan.

Water resource and climate enthusiasts will find Oknoname 051039 to be an intriguing case study of a privately owned dam in Oklahoma. With its unique design features, historical significance, and potential environmental impact, this structure offers valuable insights into the challenges and opportunities associated with managing water resources in a changing climate. As efforts continue to assess and improve the safety and effectiveness of dams like Oknoname 051039, stakeholders are reminded of the importance of sustainable water management practices for safeguarding communities and ecosystems alike.

Year Completed

1960

Dam Length

310

Dam Height

20

River Or Stream

TR-EAST CR

Primary Dam Type

Earth

Surface Area

2

Hydraulic Height

20

Nid Storage

80

Structural Height

20

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

20
       
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.