Millsite
Key Takeaway
Millsite is classified as high hazard in Utah. It was completed in 1971 and is 55 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Length | 4,150 ft |
| Dam Type | Earth |
| Max Storage | 20.0K acre-ft |
| Normal Storage | 18.0K acre-ft |
| Drainage Area | 157 sq mi |
| Max Discharge | 480 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | UT00212 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
FERRON CANAL AND RESERVOIR COMPANY
Private
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Significant HazardFerron Debris Basin No. 3
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Low HazardFerron Debris Basin No. 2
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Low HazardFerron Debris Basin No. 1
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Low HazardWrigley Springs
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Significant HazardAdobe Wash Regulating Reservoir
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High HazardAdobe Wash Sediment Basin
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Significant HazardFrequently Asked Questions
What is the hazard classification of Millsite?
Millsite is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Millsite?
Millsite is owned by FERRON CANAL AND RESERVOIR COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Millsite built?
Millsite was completed in 1971, making it 55 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Millsite?
Millsite serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Millsite last inspected?
Millsite was last inspected on June 20, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.