Scs-Kadashan Bottom Site-6 Reservoir Report

Last Updated: December 5, 2025

SCS-Kadashan Bottom Site-6, located in Stone Bluff, Oklahoma, is a state-regulated earth dam designed by the USDA NRCS in 1976 for flood risk reduction along TR-ARKANSAS RIVER.


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Summary

The dam stands at a height of 24 feet with a hydraulic height of 22 feet, offering a storage capacity of 204 acre-feet. Despite its low hazard potential, the dam's risk assessment categorizes it as having a very high risk level of 1, necessitating proper risk management measures to ensure its continued safety and effectiveness.

Managed by the Oklahoma Water Resources Board (OWRB) and falling under the jurisdiction of the state, SCS-Kadashan Bottom Site-6 has a controlled spillway and a single valve outlet gate for water control. Although the dam's condition is currently not rated, it underwent its last inspection in 1980 and is scheduled for inspections every five years. The dam is vital for flood protection in Wagoner County and plays a crucial role in managing water resources within the region, highlighting the importance of ongoing monitoring and maintenance to uphold its functionality and safeguard surrounding communities from potential flooding events.

With a primary purpose of flood risk reduction, SCS-Kadashan Bottom Site-6 serves as a critical infrastructure for water resource management in Oklahoma. Its significant storage capacity and strategic location along the TR-ARKANSAS RIVER make it a key asset in the state's flood control system. As climate change continues to impact weather patterns and increase the frequency of extreme weather events, the proper maintenance and monitoring of dams like SCS-Kadashan Bottom Site-6 become increasingly vital in mitigating flood risks and ensuring the resilience of water resources in the face of a changing climate.

Year Completed

1976

Dam Length

460

Dam Height

24

River Or Stream

TR-ARKANSAS RIVER

Primary Dam Type

Earth

Surface Area

13

Hydraulic Height

22

Nid Storage

204

Structural Height

24

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

24
       
Seasonal Comparison

Weather Forecast

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Nearby Streamflow Levels

SCS-Kadashan Bottom Site-6Arkansas River near Haskell Preview Arkansas River Near Haskell
6440.0cfs
6440cfs
SCS-Kadashan Bottom Site-6Haikey Creek at 101st St South at Tulsa Preview Haikey Creek At 101st St South At Tulsa
1.98cfs
2cfs
SCS-Kadashan Bottom Site-6Little Haikey Creek at 101st St South at Tulsa Preview Little Haikey Creek At 101st St South At Tulsa
0.04cfs
0cfs
SCS-Kadashan Bottom Site-6Joe Creek at 61st St at Tulsa Preview Joe Creek At 61st St At Tulsa
2.48cfs
2cfs
SCS-Kadashan Bottom Site-6Bird Ck at State Highway 266 near Catoosa Preview Bird Ck At State Highway 266 Near Catoosa
176.0cfs
176cfs
SCS-Kadashan Bottom Site-6Coal Creek at Tulsa Preview Coal Creek At Tulsa
0.6cfs
1cfs

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.
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