Salt Lake County Wasatch Hollow

Salt Lake County Wasatch Hollow is an earth dam located in Salt Lake County, Utah, built in 1992. It carries a Significant hazard potential classification.

About Salt Lake County Wasatch Hollow

The primary purpose of Salt Lake County Wasatch Hollow is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Salt Lake County Public Works Eng. Div. (private). It impounds the Emigration Creek near Salt Lake.

The dam stands 32 feet tall and stretches 100 feet across, has a storage capacity of 37 acre-feet, and collects water from a drainage area of 59 square miles. Completed in 1992, the structure is 34 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 09/16/2021.

At 32 feet, this dam is taller than 76% of dams nationwide.

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Significant HazardNot Rated ConditionEmergency Action Plan: No

Location

StateUtah
CountySalt Lake
Nearest CitySalt Lake
River/StreamEmigration Creek
Coordinates40.73644, -111.84363

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Length100 ft
Year Completed1992 (34 years old)

Storage & Hydraulics

NID Storage37 acre-ft
Normal Storage37 acre-ft
Drainage Area59 sq mi

Ownership & Safety

PurposeFlood Risk Reduction
OwnerSALT LAKE COUNTY PUBLIC WORKS ENG. DIV.
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection09/16/2021
Emergency Action PlanNo

Identifiers

NID IDUT00763
Federal IDUT00763
More InfoState Dam Safety Program

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