Green Valley
Key Takeaway
Green Valley is classified as low hazard in California. It was completed in 1957 and is 69 years old. Its primary use is water supply.
Physical Details
| Dam Height | 33 ft (taller than 35.9% in CA) |
| Dam Length | 1,040 ft |
| Dam Type | Earth |
| Max Storage | 240 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1957 (69 years old) |
| NID ID | CA00700 |
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
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High Hazard 60 ftFrequently Asked Questions
What is the hazard classification of Green Valley?
Green Valley 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 Green Valley?
Green Valley is owned by Private Entity (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Green Valley built?
Green Valley was completed in 1957, making it 69 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 Green Valley?
Green Valley 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 Green Valley?
Green Valley has a dam height of 33 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 Green Valley last inspected?
Green Valley was last inspected on June 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.