Scs-Finn Creek Site-022 Reservoir Report

Last Updated: December 15, 2025

SCS-Finn Creek Site-022 in McClain, Oklahoma is a state-regulated dam designed by the USDA NRCS with a primary purpose of flood risk reduction.


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Summary

Completed in 1965, this earth dam stands at a height of 50 feet and spans 1250 feet, with a maximum storage capacity of 403 acre-feet. The dam, located on the TR-Finn Creek, is under the jurisdiction of the OWRB and is subject to state permitting, inspection, and enforcement.

The dam's spillway, of controlled type, has a width of 1 foot and is equipped with a valve outlet gate. Despite being assessed as in fair condition with a high hazard potential, the risk assessment for SCS-Finn Creek Site-022 indicates a very high risk level. Emergency action plans and risk management measures are not specified in the available data, suggesting a need for further evaluation and preparation in case of potential emergencies. With a history of state oversight and a designated purpose of flood risk reduction, this dam plays a crucial role in managing water resources in the area.

Located in a region represented by Tom Cole (R) and falling under the Tulsa District of the USACE, SCS-Finn Creek Site-022 serves as a significant infrastructure for water resource and climate enthusiasts to study and analyze. The dam's design, construction, and operational details provide valuable insights into the management of water resources and the mitigation of flood risks in the state of Oklahoma. Further research and monitoring of this site can contribute to the development of effective strategies for ensuring the safety and sustainability of water infrastructure in the region.

Year Completed

1965

Dam Length

1250

Dam Height

50

River Or Stream

TR-FINN CREEK

Primary Dam Type

Earth

Surface Area

20

Hydraulic Height

50

Nid Storage

403

Structural Height

50

Outlet Gates

Valve - 1

Hazard Potential

High

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.