Wyoming Reservoir Report

Last Updated: December 10, 2025

Wyoming is home to the Windy Gulch dam, a vital water resource project completed in 2006 for irrigation purposes.


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Summary

This Earth-type dam stands at a height of 20 feet and has a storage capacity of 295 acre-feet, serving the local community for fire protection, livestock support, and small fish pond needs. Located in Campbell County, Wyoming, on Schoonover Road, the dam spans 756 feet in length and covers a surface area of 21.37 acres.

Managed by private owners, the Windy Gulch dam is regulated and inspected by the Wyoming State Engineer's Office and Department of Environmental Quality to ensure its safety and functionality. Despite being classified as having a low hazard potential, the dam's condition assessment in 2019 was rated as fair, with moderate risk identified. With a controlled spillway and one outlet valve, the dam plays a crucial role in water management and conservation efforts in the region.

As climate change continues to impact water resources, the Windy Gulch dam stands as a testament to Wyoming's commitment to sustainable water infrastructure. With Liz Cheney representing the state in Congress, efforts to mitigate risks and enhance resilience in the face of evolving environmental challenges are prioritized. The dam's strategic location and design contribute to its effectiveness in water storage and distribution, highlighting the importance of proactive management in addressing water resource and climate-related issues in Wyoming.

Year Completed

2006

Dam Length

756

Dam Height

20

River Or Stream

WINDY GULCH

Primary Dam Type

Earth

Surface Area

21.37

Hydraulic Height

15

Drainage Area

0.07

Nid Storage

295

Structural Height

23

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Rock, Soil

Nid Height

23
       
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.