State Reservoir Report

Last Updated: December 5, 2025

Located in Weston, Wyoming, State is a privately-owned dam on Shostak Draw, with a primary purpose of serving as a fire protection, stock, or small fish pond.


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Summary

Completed in 1953, this earth dam stands at a height of 17 feet and has a storage capacity of 390 acre-feet. With a surface area of 39 acres, State is regulated and permitted by the Wyoming State Engineer's Office, with regular inspections ensuring its fair condition and low hazard potential.

State's infrastructure includes a valve outlet gate and an uncontrolled spillway with a width of 1150 feet. Despite its relatively low hazard potential, the dam is subject to moderate risk assessment due to its age and the potential impact of failure. The dam is situated in Congressional District 00 of Wyoming, represented by Liz Cheney (R), and falls under the jurisdiction of the Omaha District of the US Army Corps of Engineers. Water resource and climate enthusiasts will find State to be a fascinating case study in dam management and regulation, showcasing the importance of proper maintenance and risk assessment in ensuring the safety and functionality of vital water infrastructure.

Year Completed

1953

Dam Length

1950

Dam Height

17

River Or Stream

SHOSTAK DRAW

Primary Dam Type

Earth

Surface Area

39

Hydraulic Height

12

Nid Storage

390

Structural Height

17

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

17
       
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.