Petes Valley
Key Takeaway
Petes Valley is classified as low hazard in California. It was completed in 1954 and is 72 years old. Its primary use is water supply.
Physical Details
| Dam Height | 29 ft (taller than 29% in CA) |
| Dam Length | 1,360 ft |
| Dam Type | Earth |
| Max Storage | 240 acre-ft |
| Surface Area | 31 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 6,355 cfs |
| Year Completed | 1954 (72 years old) |
| NID ID | CA00961 |
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
Petes Valley Partners
Private
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Significant Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Petes Valley?
Petes 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 Petes Valley?
Petes Valley is owned by Petes Valley Partners (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Petes Valley built?
Petes Valley was completed in 1954, making it 72 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 Petes Valley?
Petes 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 Petes Valley?
Petes Valley has a dam height of 29 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 Petes Valley last inspected?
Petes Valley was last inspected on March 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.