Cedar City Dry Canyon Db Reservoir Report

Last Updated: December 5, 2025

Cedar City Dry Canyon Db is a crucial flood risk reduction structure located in Cedar City, Utah.


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Summary

Built in 2000, this earth dam stands at a structural height of 40 feet and has a hydraulic height of 37 feet. With a storage capacity of 71 acre-feet, it plays a vital role in managing floodwaters and protecting the surrounding area from potential hazards. The dam is regulated by the Utah Division of Water Rights and undergoes regular inspections to ensure its satisfactory condition.

Owned and managed by the local government, Cedar City Dry Canyon Db serves as a cornerstone in the region's water resource management efforts. Its primary purpose is flood risk reduction, and it effectively stores excess water during times of heavy rainfall or snowmelt. With a drainage area of 1.21 square miles, the dam has a high hazard potential but has been assessed as satisfactory in terms of its condition. The structure is designed to mitigate the risk of flooding and protect the community from potential damages.

Located in Iron County, Utah, Cedar City Dry Canyon Db is a testament to the importance of proactive infrastructure in water resource management. With a solid foundation of rock and soil, the dam spans 523 feet in length and features a spillway width of 15 feet. As climate change continues to impact water availability and extreme weather events, structures like Cedar City Dry Canyon Db play a vital role in safeguarding communities and ecosystems from the threats of flooding.

Year Completed

2000

Dam Length

523

Primary Dam Type

Earth

Hydraulic Height

37

Drainage Area

1.21

Nid Storage

71

Structural Height

40

Hazard Potential

High

Foundations

Rock, Soil

Nid Height

40
       
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.