Millsite
Millsite is an earth dam located in Emery County, Utah, built in 1971. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Millsite
The primary purpose of Millsite is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Ferron Canal And Reservoir Company (private). It impounds the Ferron Creek near Ferron.
The dam stands 115 feet tall and stretches 4,150 feet across, has a maximum storage capacity of 20,000 acre-feet, and collects water from a drainage area of 157 square miles. Completed in 1971, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/20/2023.
At 115 feet, this dam is taller than 98% 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 | Emery |
| Nearest City | Ferron |
| River/Stream | Ferron Creek |
| Coordinates | 39.10182, -111.18912 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 115 ft |
| Dam Length | 4,150 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 20,000 acre-ft |
| Max Storage | 20,000 acre-ft |
| Normal Storage | 18,000 acre-ft |
| Drainage Area | 157 sq mi |
| Max Discharge | 480 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | FERRON CANAL AND RESERVOIR COMPANY |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/20/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00212 |
| Federal ID | UT00212 |
| More Info | State Dam Safety Program |