Crystal Lake Dam
Key Takeaway
Crystal Lake Dam is classified as high hazard in Washington. It was completed in 1931 and is 95 years old. Its primary use is recreation. 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 Length | 140 ft |
| Dam Type | Earth |
| Max Storage | 250 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 54 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 300 cfs |
| Year Completed | 1931 (95 years old) |
| NID ID | WA00195 |
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
Crystal Lake Inc
Private
Nearby Dams
Echo Falls Golf Course Reservoir No 2
Snohomish, WA
Low HazardTuck Lake Dam
King, WA
High HazardWelcome Lake Dam
King, WA
High HazardRadar Lake Dam
King, WA
High HazardHigh Woodlands Stormwater Detention Dam
King, WA
Low HazardSilver Firs Detention Pond No 3
Snohomish, WA
High HazardNielsen Dam C
Snohomish, WA
High HazardNielsen Dam B
Snohomish, WA
High HazardFrequently Asked Questions
What is the hazard classification of Crystal Lake Dam?
Crystal Lake Dam 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 Crystal Lake Dam?
Crystal Lake Dam is owned by Crystal Lake Inc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Crystal Lake Dam built?
Crystal Lake Dam was completed in 1931, making it 95 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 Crystal Lake Dam?
Crystal Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Crystal Lake Dam last inspected?
Crystal Lake Dam was last inspected on December 21, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.