Ikey Reservoir Report

Last Updated: December 5, 2025

Ikey is a federal-owned dam located in Wyoming, specifically in Big Horn County.


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Summary

Built in 1965, the primary purposes of Ikey are fire protection, stock management, and serving as a small fish pond. The dam is of earth type, with a height of 29 feet and a length of 444 feet, providing a storage capacity of 33 acre-feet. Despite its low hazard potential, Ikey's condition assessment is poor, last inspected in June 2017, indicating a need for maintenance and upkeep to ensure its functionality and safety.

Situated along the Ikey Draw river or stream, Ikey serves as a crucial water resource for the surrounding area, supporting various purposes such as fire protection and livestock management. With a moderate risk assessment rating, stakeholders and authorities should prioritize implementing risk management measures and conducting regular inspections to address the dam's poor condition. The location's proximity to HWY 14, 16, and 20 adds to its significance and accessibility, emphasizing the importance of maintaining and monitoring this essential infrastructure for both water resource management and climate resilience.

To safeguard the community and environment dependent on Ikey, federal and state agencies must collaborate to address the dam's maintenance needs and ensure its continued functionality. With its critical role in water management and conservation efforts, the dam's upkeep is essential for sustaining the ecosystem and mitigating potential risks associated with its poor condition. By prioritizing the rehabilitation and maintenance of Ikey, water resource and climate enthusiasts can contribute to enhancing the resilience and sustainability of the region's water infrastructure.

Year Completed

1965

Dam Length

444

Dam Height

29

River Or Stream

IKEY DRAW

Primary Dam Type

Earth

Surface Area

3

Hydraulic Height

24

Nid Storage

33

Structural Height

29

Outlet Gates

None

Hazard Potential

Low

Foundations

Soil

Nid Height

29
       
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.