Tipperary Reservoir Report

Last Updated: December 4, 2025

Located in Uinta, Wyoming, the Tipperary dam stands as a testament to early 20th-century irrigation infrastructure.


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Summary

Completed in 1928, this private-owned earth dam on Smiths Fork Creek serves multiple purposes, including irrigation, fire protection, and stock watering. With a height of 24 feet and a length of 426 feet, Tipperary has a normal storage capacity of 306 acre-feet, covering a surface area of 27 acres.

Despite its age, Tipperary is classified as having a low hazard potential, but its condition assessment is marked as poor as of the last inspection in October 2018. The dam features an uncontrolled spillway with a width of 10 feet and one outlet valve. While the risk assessment deems it as moderate, the dam's overall risk management measures and emergency action plan preparedness are not specified in the data. As water resource and climate enthusiasts, understanding the historical significance and current state of structures like Tipperary is essential for ensuring their safety and sustainability in the face of changing environmental conditions.

Tipperary's presence in the Wyoming landscape serves as a reminder of the intricate balance between water resource management and climate resilience. As policymakers and stakeholders continue to navigate the challenges of maintaining aging infrastructure like Tipperary, it underscores the importance of proactive maintenance and risk mitigation strategies to safeguard communities and ecosystems that rely on these vital water resources. With a nod to its past significance and a call to action for future resilience, Tipperary stands as a beacon for sustainable water management practices in the face of a changing climate.

Year Completed

1928

Dam Length

426

Dam Height

24

River Or Stream

SMITHS FORK CREEK OFFSTREAM

Primary Dam Type

Earth

Surface Area

27

Hydraulic Height

20

Nid Storage

426

Structural Height

24

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Rock, Soil

Nid Height

24
       
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.