Winchester
Key Takeaway
Winchester is classified as significant hazard in California. It was completed in 1999 and is 27 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 39 ft (taller than 44.4% in CA) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 58 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1999 (27 years old) |
| NID ID | CA01418 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Winchester R.E.O., LLC
Private
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High Hazard 36 ftFrequently Asked Questions
What is the hazard classification of Winchester?
Winchester is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Winchester?
Winchester is owned by Winchester R.E.O., LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Winchester built?
Winchester was completed in 1999, making it 27 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 Winchester?
Winchester serves the following purposes: Water Supply, Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Winchester?
Winchester 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 Winchester last inspected?
Winchester was last inspected on March 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.