Scs-Finn Creek Site-009 Reservoir Report

Last Updated: December 15, 2025

SCS-Finn Creek Site-009, located in McClain County, Oklahoma, is a state-regulated earth dam designed by USDA NRCS in 1964 for flood risk reduction along the TR-Finn Creek.


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Summary

Standing at a height of 32 feet with a length of 1200 feet, this dam has a storage capacity of 448 acre-feet and a normal storage of 131 acre-feet. With a controlled spillway and a hazard potential rated as high, this structure plays a critical role in managing water levels and mitigating flood risks in the area.

Despite being in fair condition, SCS-Finn Creek Site-009 is regularly inspected and maintained by the Oklahoma Water Resources Board. The dam features a valve outlet gate and is monitored for any potential risks, with a very high risk assessment rating. In case of emergencies, the dam has emergency action plans in place, ensuring preparedness for any unforeseen events. With its strategic location and essential role in flood risk reduction, SCS-Finn Creek Site-009 stands as a key water resource infrastructure in the region.

As part of the Tulsa District, this dam is a vital component of the local water management system, providing critical protection against flooding and ensuring the safety of nearby communities. With its high hazard potential and state-regulated status, SCS-Finn Creek Site-009 highlights the importance of effective water resource management and infrastructure maintenance in the face of changing climate patterns. For water resource and climate enthusiasts, this site serves as a fascinating case study in the intersection of infrastructure, regulation, and environmental stewardship in the context of water management.

Year Completed

1964

Dam Length

1200

Dam Height

32

River Or Stream

TR-FINN CREEK

Primary Dam Type

Earth

Surface Area

23

Hydraulic Height

32

Nid Storage

448

Structural Height

32

Outlet Gates

Valve - 1

Hazard Potential

High

Foundations

Soil

Nid Height

32
       
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.