Silva Flat
Key Takeaway
Silva Flat is classified as significant hazard in California. It was completed in 1926 and is 100 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 11 ft (taller than 3.3% in CA) |
| Dam Length | 1,250 ft |
| Dam Type | Earth |
| Max Storage | 3.9K acre-ft |
| Surface Area | 815 acres |
| Drainage Area | 16 sq mi |
| Year Completed | 1926 (100 years old) |
| NID ID | CA00512 |
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
Private Entity
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Silva Flat?
Silva Flat 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 Silva Flat?
Silva Flat is owned by Private Entity (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Silva Flat built?
Silva Flat was completed in 1926, making it 100 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 Silva Flat?
Silva Flat 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 Silva Flat?
Silva Flat has a dam height of 11 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 Silva Flat last inspected?
Silva Flat was last inspected on June 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.