Sandy City - Alta Canyon is an earth dam located in Salt Lake County, Utah, built in 1984. It carries a Significant hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 950 ft long. 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 Sandy City - Alta Canyon
The primary purpose of Sandy City - Alta Canyon 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 Sandy City (local government). It impounds the None - Runoff near Sandy.
The dam stands 12 feet tall and stretches 950 feet across, has a storage capacity of 28 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1984, the structure is 42 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. An emergency action plan is in place for this dam. The most recent inspection on record was 08/23/2023.
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Location
| State | Utah |
| County | Salt Lake |
| Nearest City | Sandy |
| River/Stream | None - Runoff |
| Coordinates | 40.57939, -111.83522 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Length | 950 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 28 acre-ft |
| Normal Storage | 28 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Sandy City |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 08/23/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00519 |
| Federal ID | UT00519 |
| More Info | State Dam Safety Program |