Sienickie Reservoir Report

Last Updated: December 5, 2025

Sienickie, a privately owned dam located in Bokoshe, Oklahoma, is a crucial water resource in Le Flore County.


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Summary

Completed in 1961, this earth dam stands at a height of 15 feet and has a maximum storage capacity of 60 acre-feet. With a normal storage capacity of 40 acre-feet and a surface area of 15 acres, Sienickie plays a significant role in managing water flow in the TR-Buck CR river system.

Managed by the Oklahoma Water Resources Board, Sienickie is regulated, inspected, and enforced by state agencies to ensure its safety and functionality. The dam features a controlled spillway and a single valve outlet gate for water release. Despite being rated as having low hazard potential, Sienickie is categorized as having a very high risk due to its condition assessment not being rated. This risk highlights the importance of ongoing monitoring and maintenance to mitigate any potential dangers associated with the dam.

For water resource and climate enthusiasts, Sienickie serves as a prime example of the intersection between human infrastructure and environmental impact. Its role in flood control and water storage underscores the importance of responsible management and maintenance of dams to ensure the safety of surrounding communities and ecosystems. As climate change continues to impact water resources, the resilience and sustainability of structures like Sienickie will be critical in adapting to evolving environmental conditions.

Year Completed

1961

Dam Length

2100

Dam Height

15

River Or Stream

TR-BUCK CR

Primary Dam Type

Earth

Surface Area

15

Hydraulic Height

10

Nid Storage

60

Structural Height

15

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

15
       
Seasonal Comparison

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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.