Gose Reservoir Report

Last Updated: December 5, 2025

Gose, located in Crook, Wyoming, is a privately owned Earth dam constructed in 1977 primarily for Fish and Wildlife Pond purposes.


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Summary

The dam stands at 31 feet in height, with a hydraulic height of 22 feet, and a length of 600 feet. It has a storage capacity of 24 acre-feet and covers a surface area of 3 acres, serving a drainage area of 1.2 square miles. The dam's spillway is uncontrolled with a width of 45 feet, and it has a low hazard potential with a fair condition assessment.

Its location on Miller Creek not only provides flood risk reduction but also supports fire protection, stock, and small fish pond purposes. With a maximum discharge capacity of 547 cubic feet per second, Gose plays a crucial role in managing water resources in the area. Despite its moderate risk level, the dam is regularly inspected and maintained to ensure its safety and functionality, with the last inspection conducted in June 2021. Overall, Gose serves as a vital infrastructure for enhancing wildlife habitats and maintaining water quality in the region.

Year Completed

1977

Dam Length

600

Dam Height

28

River Or Stream

MILLER CREEK

Primary Dam Type

Earth

Surface Area

3

Hydraulic Height

22

Drainage Area

1.2

Nid Storage

24

Structural Height

31

Outlet Gates

Slide (sluice gate) - 0

Hazard Potential

Low

Foundations

Soil

Nid Height

31
       
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.