Three Creeks (Beaver) Reservoir Report

Last Updated: December 5, 2025

Three Creeks (Beaver) is a privately owned irrigation dam located in Beaver, Utah, along the Beaver River.


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Summary

Completed in 1949, this earth dam stands at a structural height of 105 feet with a hydraulic height of 100 feet, providing a maximum storage capacity of 2,430 acre-feet. The dam serves the primary purpose of irrigation and is regulated by the Utah Division of Water Rights, with state permitting, inspection, and enforcement in place to ensure its safety and functionality.

With a drainage area of 12 square miles and a maximum discharge of 165 cubic feet per second, Three Creeks (Beaver) plays a crucial role in water resource management in the region. Despite its high hazard potential, the dam is assessed as being in satisfactory condition, with regular inspections conducted to monitor its performance. The dam's emergency action plan and risk management measures are currently unspecified, highlighting the need for continued monitoring and preparedness to address any potential safety concerns in the future.

As a vital infrastructure for water supply and irrigation, Three Creeks (Beaver) serves as a key component of the local water management system in Beaver, Utah. Its strategic location and significant storage capacity make it a critical resource for supporting agricultural activities and ensuring water security in the region. With proper regulation and maintenance, this dam will continue to play a crucial role in sustainable water resource management for years to come, contributing to the resilience of the local ecosystem and community.

Year Completed

1949

Dam Length

347

River Or Stream

BEAVER RIVER

Primary Dam Type

Earth

Hydraulic Height

100

Drainage Area

12

Nid Storage

2430

Structural Height

105

Hazard Potential

High

Nid Height

105
       
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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.