Long Valley West No. 2
Key Takeaway
Long Valley West No. 2 is classified as low hazard in California. It was completed in 1982 and is 44 years old. Its primary use is water supply.
Physical Details
| Dam Height | 35 ft (taller than 38.2% in CA) |
| Dam Length | 940 ft |
| Dam Type | Earth |
| Max Storage | 177 acre-ft |
| Surface Area | 10 acres |
| Year Completed | 1982 (44 years old) |
| NID ID | CA01292 |
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
Juliana Mutual Water Company
Private
Nearby Dams
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High Hazard 87 ftFrequently Asked Questions
What is the hazard classification of Long Valley West No. 2?
Long Valley West No. 2 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 Long Valley West No. 2?
Long Valley West No. 2 is owned by Juliana Mutual Water Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Long Valley West No. 2 built?
Long Valley West No. 2 was completed in 1982, making it 44 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 Long Valley West No. 2?
Long Valley West No. 2 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 Long Valley West No. 2?
Long Valley West No. 2 has a dam height of 35 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 Long Valley West No. 2 last inspected?
Long Valley West No. 2 was last inspected on January 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.