Silver Lake
Key Takeaway
Silver Lake is classified as high hazard in California. It was completed in 1906 and is 120 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 21 ft (taller than 17.3% in CA) |
| Dam Length | 620 ft |
| Dam Type | Earth |
| Max Storage | 650 acre-ft |
| Surface Area | 120 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1906 (120 years old) |
| NID ID | CA00531 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Spanish Ranch-Quincy, LLC
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Silver Lake?
Silver Lake is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Silver Lake?
Silver Lake is owned by Spanish Ranch-Quincy, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Silver Lake built?
Silver Lake was completed in 1906, making it 120 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 Silver Lake?
Silver Lake 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 Silver Lake?
Silver Lake has a dam height of 21 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 Silver Lake last inspected?
Silver Lake was last inspected on May 6, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.