Montana Lake
Key Takeaway
Montana Lake is classified as low hazard in California. It was completed in 2009 and is 17 years old. Its primary use is other.
Physical Details
| Dam Height | 39 ft (taller than 44.4% in CA) |
| Dam Length | 918 ft |
| Dam Type | Earth |
| Max Storage | 150 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 2009 (17 years old) |
| NID ID | CA01460 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Private Entity
Private
Nearby Dams
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High Hazard 107 ftLake William
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High Hazard 56 ftFrequently Asked Questions
What is the hazard classification of Montana Lake?
Montana Lake is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Montana Lake?
Montana Lake is owned by Private Entity (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Montana Lake built?
Montana Lake was completed in 2009, making it 17 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 Montana Lake?
Montana Lake serves the following purposes: Other, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Montana Lake?
Montana Lake has a dam height of 39 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 Montana Lake last inspected?
Montana Lake was last inspected on March 16, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.