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.
Dam profile
NID height · 32 ft32 ft tall and 100 ft long, taller than 74% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
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.
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Location
| State | Utah |
| County | Salt Lake |
| Nearest City | Salt Lake |
| River/Stream | Emigration Creek |
| Coordinates | 40.73644, -111.84363 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Length | 100 ft |
| Year Completed | 1992 (34 years old) |
Storage & Hydraulics
| NID Storage | 37 acre-ft |
| Normal Storage | 37 acre-ft |
| Drainage Area | 59 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Salt Lake County Public Works Eng. Div. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/16/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | UT00763 |
| Federal ID | UT00763 |
| More Info | State Dam Safety Program |