Chaplain Lake North Dam
Key Takeaway
Chaplain Lake North Dam is classified as high hazard in Washington. It was completed in 1940 and is 86 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 Length | 650 ft |
| Dam Type | Earth |
| Max Storage | 18.2K acre-ft |
| Normal Storage | 16.2K acre-ft |
| Surface Area | 450 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 660 cfs |
| Year Completed | 1940 (86 years old) |
| NID ID | WA00196 |
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
Everett City Public Works
Local Government
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Low HazardFrequently Asked Questions
What is the hazard classification of Chaplain Lake North Dam?
Chaplain Lake North 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 Chaplain Lake North Dam?
Chaplain Lake North Dam is owned by Everett City Public Works (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Chaplain Lake North Dam built?
Chaplain Lake North Dam was completed in 1940, making it 86 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 Chaplain Lake North Dam?
Chaplain Lake North Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Chaplain Lake North Dam last inspected?
Chaplain Lake North Dam was last inspected on September 12, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.