Scs-Owl Creek Site-14 Reservoir Report

Last Updated: December 16, 2025

SCS-Owl Creek Site-14, located in McClain County, Oklahoma, stands as a vital piece of infrastructure designed by the USDA NRCS to mitigate flood risks in the region.


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Summary

Completed in 1948, this Earth dam boasts a height of 19 feet and a length of 740 feet, providing a critical storage capacity of 103 acre-feet for the TR-OWL CREEK watershed. The dam's controlled spillway and single valve outlet gate ensure efficient water management during high flow events, with a maximum discharge capacity of 624 cubic feet per second.

Despite its low hazard potential, SCS-Owl Creek Site-14 is subject to state regulations and inspections by the Oklahoma Water Resources Board (OWRB), ensuring its structural integrity and functionality in flood risk reduction. While the dam's condition assessment remains unrated, its risk assessment is classified as very high (1), prompting the need for thorough risk management measures and emergency action planning in the event of a catastrophic failure. The site's historical significance and continued relevance highlight the critical role it plays in safeguarding communities and ecosystems against the impacts of extreme weather events and climate variability in the region.

Year Completed

1948

Dam Length

740

Dam Height

19

River Or Stream

TR-OWL CREEK

Primary Dam Type

Earth

Surface Area

4

Hydraulic Height

19

Nid Storage

103

Structural Height

19

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

19
       
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.