Lost Lake Dike is an earth dam located in Wasatch County, Utah, built in 1931. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 890 ft long, taller than 76% 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 Lost Lake Dike
Lost Lake Dike is a dam in Wasatch, Utah. The dam is owned by Department of the Interior (federal). It impounds the Upper Provo River.
The dam stands 33 feet tall and stretches 890 feet across, and has a maximum storage capacity of 1,350 acre-feet. Completed in 1931, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 08/17/2023.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Utah |
| County | Wasatch |
| River/Stream | Upper Provo River |
| Coordinates | 40.67210, -110.93830 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 23 ft |
| Dam Length | 890 ft |
| Year Completed | 1931 (95 years old) |
Storage & Hydraulics
| NID Storage | 1,350 acre-ft |
| Max Storage | 1,350 acre-ft |
| Normal Storage | 1,155 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Owner | Department of the Interior |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/17/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00184 |
| Federal ID | UT00184S001 |
| More Info | State Dam Safety Program |