Wind River Diversion Dike Reservoir Report

Last Updated: December 5, 2025

The Wind River Diversion Dike, located in Fremont, Wyoming, is a crucial federal structure that diverts water from the Wind River for irrigation purposes.


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Summary

Built in 1923 by the Bureau of Reclamation, this earth dam stands at 27 feet in height and spans 1656 feet in length. With a maximum storage capacity of 400 acre-feet, the dike plays a significant role in managing water resources in the region.

Despite being classified as having a low hazard potential, the Wind River Diversion Dike is considered to have a high risk level (2). While the condition assessment is currently not available, the Bureau of Reclamation conducts regular inspections every 6 years to ensure its structural integrity and safety. The dam does not have a spillway and does not feature any outlet gates, highlighting its simple yet essential function in supporting local irrigation needs.

Managed by the Bureau of Reclamation, the Wind River Diversion Dike is a vital component of the water infrastructure in Wyoming. As climate change impacts water resources, structures like this play a crucial role in ensuring sustainable water management practices for agricultural purposes. With its historical significance and ongoing operational importance, the dike serves as a testament to the enduring importance of water resource management in the face of evolving climate challenges.

Year Completed

1923

Dam Length

1656

Dam Height

27

River Or Stream

WIND RIVER

Primary Dam Type

Earth

Hydraulic Height

20

Nid Storage

400

Structural Height

27

Hazard Potential

Low

Foundations

Rock

Nid Height

27
       
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.