Scs-Sugar Creek Site-042 Reservoir Report

Last Updated: December 6, 2025

SCS-Sugar Creek Site-042, located in Gracemont, Oklahoma, is a state-regulated earth dam constructed in 1966 by the USDA NRCS with a primary purpose of flood risk reduction along the TR-Sugar Creek.


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Summary

The dam stands at a height of 35 feet with a hydraulic height of 32 feet and a structural height of 35 feet, spanning a length of 540 feet. With a storage capacity of 69 acre-feet and a normal storage of 30 acre-feet, the dam plays a crucial role in managing water levels and mitigating flooding in the area.

Despite being rated as having low hazard potential, the site's risk assessment is classified as very high (1), highlighting the importance of ongoing monitoring and maintenance. The dam features a controlled spillway and is equipped with a single valve outlet gate. While the condition assessment is listed as "Not Rated" and the last inspection date is recorded as January 1, 1980, the dam is still subject to regular inspections every 5 years to ensure its continued safety and functionality. The site is under the jurisdiction of the Oklahoma Water Resources Board and is regulated, inspected, and enforced by state authorities.

With its strategic location and design, SCS-Sugar Creek Site-042 serves as a vital infrastructure for flood control and water resource management in Caddo County, Oklahoma. As climate change continues to impact weather patterns and water levels, the role of dams like this one becomes increasingly crucial in safeguarding communities against the threat of flooding. As such, ongoing risk assessments, inspections, and maintenance efforts are essential to ensure the continued effectiveness and safety of this important water resource facility.

Year Completed

1966

Dam Length

540

Dam Height

35

River Or Stream

TR-SUGAR CREEK

Primary Dam Type

Earth

Surface Area

4

Hydraulic Height

32

Nid Storage

69

Structural Height

35

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

35
       
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.