Deep Lake (sanpete)
Deep Lake (sanpete) is an earth dam located in Sanpete County, Utah, built in 1931. It carries a Significant hazard potential classification.
About Deep Lake (sanpete)
The primary purpose of Deep Lake (sanpete) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Division Of Wildlife Resources (private). It impounds the South Fork Twelve-mile Creek near Mayfield.
The dam stands 17 feet tall and stretches 120 feet across, has a maximum storage capacity of 240 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1931, 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 07/19/2022.
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Location
| State | Utah |
| County | Sanpete |
| Nearest City | Mayfield |
| River/Stream | South Fork Twelve-mile Creek |
| Coordinates | 39.11059, -111.51955 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Length | 120 ft |
| Year Completed | 1931 (95 years old) |
Storage & Hydraulics
| NID Storage | 240 acre-ft |
| Max Storage | 240 acre-ft |
| Normal Storage | 240 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | DIVISION OF WILDLIFE RESOURCES |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 07/19/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00086 |
| Federal ID | UT00086 |
| More Info | State Dam Safety Program |