Scs-Cane Creek Site-11 Reservoir Report

Last Updated: December 5, 2025

SCS-Cane Creek Site-11, situated in Okmulgee, Oklahoma, is a state-regulated earth dam designed by USDA NRCS for flood risk reduction on the COAL CR river.


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Summary

Completed in 1965, this 47-foot tall structure boasts a storage capacity of 2915 acre-feet and a controlled spillway width of 2 feet. Despite its age, the dam is classified as having low hazard potential and a very high risk assessment rating.

Managed by the OWRB, the dam features a single valve outlet gate and has not been inspected since 1980, with a scheduled inspection frequency of 5 years. While the condition assessment remains unrated and no emergency action plan is in place, the dam continues to serve its primary purpose effectively. Located within the Tulsa District, this site remains a crucial component in the region's flood risk reduction strategy, under the oversight of the Natural Resources Conservation Service.

For water resource and climate enthusiasts, SCS-Cane Creek Site-11 offers a fascinating glimpse into the engineering and regulatory aspects of managing water infrastructure. With its historical significance, ample storage capacity, and strategic location, this earth dam stands as a testament to the ongoing efforts to mitigate flood risks and safeguard communities in the region. As discussions around climate change and water resource management intensify, sites like SCS-Cane Creek Site-11 serve as valuable case studies for understanding the intersection of infrastructure, regulation, and environmental stewardship.

Year Completed

1965

Dam Length

2500

Dam Height

47

River Or Stream

COAL CR

Primary Dam Type

Earth

Surface Area

41

Hydraulic Height

47

Nid Storage

2915

Structural Height

47

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

47
       
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.