Gunnison Irrigation - Sediment Pond 2 Reservoir Report

Last Updated: December 5, 2025

Gunnison Irrigation - Sediment Pond 2, located in Gunnison, Utah, is a privately owned earth dam that was completed in 2012.


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Summary

Designed by Jones & Demille Engineering, Inc., this dam stands at a structural height of 35 feet with a hydraulic height of 31 feet. It has a storage capacity of 112 acre-feet, with a normal storage level of 80 acre-feet.

Managed by the Utah Division of Water Rights, this sediment pond plays a crucial role in regulating water flow and sediment deposition in the area. With a spillway width of 65 feet and a maximum discharge rate of 4 cubic feet per second, this dam has a significant hazard potential. Despite not being rated for its condition, regular inspections are conducted to ensure its safety and functionality. The last inspection took place on June 30, 2020, with a frequency of every 2 years.

As a key component of the local water resource management system, Gunnison Irrigation - Sediment Pond 2 serves an essential purpose in maintaining water quality and regulating sediment levels. Its strategic location in the Sanpete County, Utah, contributes to the overall water sustainability efforts in the region. With its construction, oversight, and maintenance falling under state jurisdiction, this dam demonstrates a collaborative effort between private ownership and state regulatory agencies to ensure the efficient management of water resources in the area.

Year Completed

2012

Dam Length

2200

Primary Dam Type

Earth

Hydraulic Height

31

Nid Storage

112

Structural Height

35

Hazard Potential

Significant

Nid Height

35
       
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.