Scs-Sandstone Creek Site-001 Reservoir Report

Last Updated: December 7, 2025

SCS-Sandstone Creek Site-001, located in Roger Mills County, Oklahoma, is a state-regulated earth dam with a primary purpose of flood risk reduction.


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Summary

Constructed in 1951 by the USDA NRCS, this dam stands at a height of 50 feet and has a hydraulic height of 45 feet, providing a critical line of defense against potential flooding events for the surrounding area. With a capacity to store up to 897 acre-feet of water, this dam plays a vital role in managing water resources in the region.

Managed by the Oklahoma Water Resources Board (OWRB), SCS-Sandstone Creek Site-001 has a low hazard potential and is currently not rated for its condition assessment. Despite its age, the dam continues to serve its intended purpose effectively, with a maximum discharge capacity of 7400 cubic feet per second. The controlled spillway and single valve outlet gate further enhance the dam's ability to regulate water flow and mitigate flood risks in the area. While the last inspection was conducted in 1980, the dam is scheduled for regular inspections every 5 years to ensure its continued safety and functionality.

In the event of an emergency, the dam site is equipped with an emergency action plan (EAP) to guide response efforts and ensure public safety. With a very high risk rating of 1, the site is closely monitored for any potential vulnerabilities that may arise. As a critical infrastructure asset in managing water resources and climate-related risks, SCS-Sandstone Creek Site-001 stands as a testament to the importance of proactive risk management and emergency preparedness in safeguarding communities against the impacts of extreme weather events.

Year Completed

1951

Dam Length

1350

Dam Height

50

River Or Stream

WILDCAT CREEK

Primary Dam Type

Earth

Surface Area

78

Hydraulic Height

45

Nid Storage

897

Structural Height

50

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

50
       
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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.