Scs-Uncle John Creek Site-05 Reservoir Report

Last Updated: December 6, 2025

SCS-Uncle John Creek Site-05, located in Kingfisher, Oklahoma, is a state-regulated Earth dam constructed in 1971 by the USDA NRCS.


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Summary

The dam, standing at a height of 36 feet, serves the primary purpose of flood risk reduction along the TR-Uncle John Creek. With a storage capacity of 1207 acre-feet and a normal storage level of 102 acre-feet, the dam plays a crucial role in managing water flow and mitigating flood risks in the region.

Despite being in fair condition according to the latest assessment in 2011, the dam is classified as having a significant hazard potential and a very high risk level. The controlled spillway, with a width of 1 foot, helps manage maximum discharge of up to 3000 cubic feet per second. The dam is equipped with a valve outlet gate and undergoes inspections every three years to ensure its integrity and functionality in emergency situations.

With the oversight of the Oklahoma Water Resources Board (OWRB), the SCS-Uncle John Creek Site-05 dam is an essential infrastructure for protecting the surrounding community from the impacts of flooding. As climate change continues to pose challenges to water resources management, the proper maintenance and monitoring of such dams are crucial for ensuring resilience and safety in the face of evolving environmental conditions.

Year Completed

1971

Dam Length

2475

Dam Height

36

River Or Stream

TR-UNCLE JOHN CREEK

Primary Dam Type

Earth

Surface Area

24

Hydraulic Height

36

Nid Storage

1207

Structural Height

36

Outlet Gates

Valve - 1

Hazard Potential

Significant

Foundations

Soil

Nid Height

36
       
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.