Salt Lake County - Sugarhouse Reservoir Report

Last Updated: December 5, 2025

Salt Lake County - Sugarhouse is a critical flood risk reduction structure located in Salt Lake City, Utah.


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Summary

Built in 1984, this earth dam on Parley's Creek is designed to protect the surrounding area from potential flooding events. With a hydraulic height of 33 feet and a structural height of 35 feet, this dam has a normal storage capacity of 90 acre-feet and a maximum storage capacity of 120 acre-feet.

Managed by the Utah Division of Water Rights, Salt Lake County - Sugarhouse is subject to regular state inspection, enforcement, and permitting to ensure its continued effectiveness in mitigating flood risks. Despite its high hazard potential, the dam is currently assessed as satisfactory, with the last condition assessment conducted in May 2014. Emergency action plans are in place, and the dam is inspected every two years to maintain its safety and functionality.

This flood risk reduction structure plays a crucial role in protecting the community and infrastructure of Salt Lake County from potential flooding along Parley's Creek. With its strategic location and design, Salt Lake County - Sugarhouse stands as a testament to the importance of effective water resource management and climate resilience in safeguarding our environment and livelihoods.

Year Completed

1984

River Or Stream

PARLEY`S CREEK

Primary Dam Type

Earth

Hydraulic Height

33

Drainage Area

51.4

Nid Storage

120

Structural Height

35

Hazard Potential

High

Nid Height

35
       
Seasonal Comparison

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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.