Silver Lake Dam
Key Takeaway
Silver Lake Dam is classified as low hazard in Washington. It was completed in 1971 and is 55 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Type | Earth |
| Max Storage | 11.7K acre-ft |
| Normal Storage | 7.5K acre-ft |
| Surface Area | 2,300 acres |
| Drainage Area | 39 sq mi |
| Max Discharge | 1,783 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | WA00142 |
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
Silver Lake Flood Control Dist.
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Silver Lake Dam?
Silver Lake Dam 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 Silver Lake Dam?
Silver Lake Dam is owned by Silver Lake Flood Control Dist. (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Silver Lake Dam built?
Silver Lake Dam was completed in 1971, making it 55 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 Dam?
Silver Lake Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Silver Lake Dam last inspected?
Silver Lake Dam was last inspected on October 4, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.