Four Mile Valley N0 4
Key Takeaway
Four Mile Valley N0 4 is classified as low hazard in California. It was completed in 1951 and is 75 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 8 ft (taller than 0.7% in CA) |
| Dam Length | 1,485 ft |
| Dam Type | Earth |
| Normal Storage | 172 acre-ft |
| Year Completed | 1951 (75 years old) |
| NID ID | CA10337 |
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
USDA FS
Federal Government
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Four Mile Valley N0 4?
Four Mile Valley N0 4 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 Four Mile Valley N0 4?
Four Mile Valley N0 4 is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Four Mile Valley N0 4 built?
Four Mile Valley N0 4 was completed in 1951, making it 75 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 Four Mile Valley N0 4?
Four Mile Valley N0 4 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Four Mile Valley N0 4?
Four Mile Valley N0 4 has a dam height of 8 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 Four Mile Valley N0 4 last inspected?
Four Mile Valley N0 4 was last inspected on August 1, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.