Scs-Sugar Creek Site-035 Reservoir Report

Last Updated: December 6, 2025

SCS-Sugar Creek Site-035 is a state-regulated dam located in Gracemont, Oklahoma, along the TR-Sugar Creek.


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Summary

Constructed in 1970 by the USDA NRCS, this earth-type dam stands at a height of 26 feet and has a capacity to store up to 177 acre-feet of water. With a primary purpose of flood risk reduction, this dam plays a crucial role in protecting the surrounding areas from potential flooding events.

The dam features a controlled spillway and a single valve outlet gate for water release, with a maximum discharge capacity of 480 cubic feet per second. Despite being classified as having a low hazard potential, the dam is considered to have a very high risk assessment rating. Although it has not been inspected since 1980, the state of Oklahoma maintains regulatory oversight and enforces inspection and enforcement protocols to ensure the safety and integrity of the structure.

Water resource and climate enthusiasts will find SCS-Sugar Creek Site-035 to be an intriguing site due to its historical significance and vital role in flood risk reduction efforts. The dam's location in Caddo County, Oklahoma, and its association with the USDA NRCS add to its importance in the region's water management infrastructure. With its capacity to store water and control its release, this dam serves as a critical piece of the puzzle in safeguarding communities against potential flooding disasters.

Year Completed

1970

Dam Length

960

Dam Height

26

River Or Stream

TR-SUGAR CREEK

Primary Dam Type

Earth

Surface Area

11

Hydraulic Height

24

Nid Storage

177

Structural Height

26

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

26
       
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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.