Lost Creek Dam
Lost Creek Dam is an earth dam located in Morgan County, Utah, built in 1966. It carries a High hazard potential classification.
About Lost Creek Dam
The primary purpose of Lost Creek Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bureau Of Reclamation (federal). It impounds the Lost Creek near Devils Slide.
The dam stands 248 feet tall and stretches 1,078 feet across, creates a reservoir covering 365 acres, has a maximum storage capacity of 26,760 acre-feet, and collects water from a drainage area of 123 square miles. Completed in 1966, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 05/04/2022.
At 248 feet, this dam is taller than 99% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Utah dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Utah |
| County | Morgan |
| Nearest City | Devils Slide |
| River/Stream | Lost Creek |
| Coordinates | 41.18420, -111.39900 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 248 ft |
| Dam Length | 1,078 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 26,760 acre-ft |
| Max Storage | 26,760 acre-ft |
| Normal Storage | 22,510 acre-ft |
| Surface Area | 365 acres |
| Drainage Area | 123 sq mi |
| Max Discharge | 2,455 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 05/04/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT10125 |
| Federal ID | UT10125 |
| More Info | State Dam Safety Program |