Gunnison Bend Reservoir Report

Last Updated: December 5, 2025

Gunnison Bend, a privately owned irrigation dam located in Millard County, Utah, was completed in 1895 along the Sevier River.


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Summary

With a height of 19 feet and a hydraulic height of 16 feet, the dam serves primarily for irrigation purposes, providing vital water resources for agricultural activities in the region. The dam has a storage capacity of 6950 acre-feet, with a normal storage level of 5000 acre-feet, and it covers a drainage area of 7300 acres.

Despite its age, Gunnison Bend is well-regulated and inspected by the Utah Division of Water Rights, ensuring its safe operation and maintenance. The dam has a high hazard potential but is currently assessed to be in fair condition. Emergency action plans and risk management measures are yet to be fully established, highlighting the importance of ongoing monitoring and preparedness for any potential incidents. Overall, Gunnison Bend stands as a crucial infrastructure for water resource management in the area, contributing to the sustainability of agriculture and the local community.

Year Completed

1895

Dam Length

1600

River Or Stream

SEVIER RIVER

Primary Dam Type

Earth

Hydraulic Height

16

Drainage Area

7300

Nid Storage

6950

Structural Height

19

Hazard Potential

High

Nid Height

19
       
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.