Mills
Key Takeaway
Mills is classified as high hazard in California. It was completed in 1952 and is 74 years old. Its primary use is water supply. 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 Height | 23 ft (taller than 21.2% in CA) |
| Dam Length | 1,050 ft |
| Dam Type | Earth |
| Max Storage | 195 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1952 (74 years old) |
| NID ID | CA00603 |
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
Private Entity
Private
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Significant Hazard 33 ftGranlees
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Low Hazard 17 ftVan Vleck
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Significant Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Mills?
Mills 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 Mills?
Mills is owned by Private Entity (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mills built?
Mills was completed in 1952, making it 74 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 Mills?
Mills serves the following purposes: Water Supply, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mills?
Mills has a dam height of 23 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Mills last inspected?
Mills was last inspected on January 31, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.