Secret Lake is an earth dam located in Salt Lake County, Utah, built in 1926. It carries a Significant hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall. 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 Secret Lake
The primary purpose of Secret Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Salt Lake City Corporation (private). It impounds the Trib. to Little Cottonwood Cr near Granite.
The dam stands 10 feet tall, has a maximum storage capacity of 52 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1926, the structure is well-established, with more than 75 years of service.
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 07/28/2022.
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Location
| State | Utah |
| County | Salt Lake |
| Nearest City | Granite |
| River/Stream | Trib. to Little Cottonwood Cr |
| Coordinates | 40.57352, -111.62242 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Year Completed | 1926 (100 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Normal Storage | 47 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Salt Lake City Corporation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 07/28/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00121 |
| Federal ID | UT00121 |
| More Info | State Dam Safety Program |