East Canyon Reservoir Reservoir Report

Last Updated: December 5, 2025

East Canyon Reservoir is a man-made lake located in Morgan County, Utah.


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Summary

It was originally built in 1929 for irrigation purposes, but today it serves as a popular recreational destination for fishing, boating, and camping. The reservoir is fed by East Canyon Creek and several small tributaries, with a total inflow of approximately 16,000 acre-feet per year. The primary surface flow provider is East Canyon Creek, which originates in the Wasatch Mountains and flows through a narrow canyon before entering the reservoir. Snowpack also contributes significantly to the reservoir's water supply, with an average annual snowfall of 400 inches in the surrounding mountains. East Canyon Reservoir is also used for agricultural purposes, with water diverted for irrigation in the surrounding area.

Reservoir Details

Storage 24hr Change 0.03%
Percent of Normal 105%
Minimum 17,454.07 acre-ft
1992-10-15
Maximum 50,455.38 acre-ft
1993-06-03
Average 31,447 acre-ft
Dam_Height 260
Hydraulic_Height 195
Drainage_Area 145
Year_Completed 1965
Nid_Storage 58350
Hazard_Potential High
Structural_Height 260
River_Or_Stream EAST CANYON CREEK
Foundations Rock
Surface_Area 684
Dam_Length 436
Primary_Dam_Type Concrete
Nid_Height 260
       
Seasonal Comparison
Storage Levels
Storage Levels
Pool Elevation Levels
Total Release Levels
Inflow Levels

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.