Scs-Sugar Creek Site-020 Reservoir Report

Last Updated: December 6, 2025

SCS-Sugar Creek Site-020, located in Lookeba, Oklahoma, is a state-regulated earth dam designed by USDA NRCS for flood risk reduction on the TR-Sugar Creek.


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Summary

Completed in 1962, this structure stands at a height of 40 feet and has a hydraulic height of 35 feet, with a length of 1200 feet and a maximum storage capacity of 1925 acre-feet. With a hazard potential rated as high and a risk assessment indicating a very high risk level, this dam plays a crucial role in protecting the surrounding area from potential flooding events.

Managed by the Oklahoma Water Resources Board, SCS-Sugar Creek Site-020 has one valve outlet gate and a controlled spillway with a width of 2 feet. Despite not having a condition assessment rating, the dam is inspected annually and has not been modified since its construction. The dam's high hazard potential underscores the importance of proper risk management measures and emergency action plans to ensure the safety of downstream communities in the event of a breach or overflow.

Overall, SCS-Sugar Creek Site-020 serves as a vital flood control structure in Caddo County, Oklahoma, and highlights the collaborative efforts between state and federal agencies in managing water resources and mitigating climate-related risks. As climate change continues to impact the frequency and intensity of extreme weather events, the maintenance and monitoring of dams like SCS-Sugar Creek Site-020 will be essential in safeguarding communities and infrastructure from the potentially devastating effects of flooding.

Year Completed

1962

Dam Length

1200

Dam Height

40

River Or Stream

TR-SUGAR CREEK

Primary Dam Type

Earth

Surface Area

47

Hydraulic Height

35

Nid Storage

1925

Structural Height

40

Outlet Gates

Valve - 1

Hazard Potential

High

Foundations

Soil

Nid Height

40
       
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.