Cranberry Lake Dam
Key Takeaway
Cranberry Lake Dam is classified as high hazard in Washington. It was completed in 1910 and is 116 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 | 380 ft |
| Dam Type | Earth |
| Max Storage | 252 acre-ft |
| Normal Storage | 178 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 58 cfs |
| Year Completed | 1910 (116 years old) |
| NID ID | WA00282 |
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
Anacortes City
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Cranberry Lake Dam?
Cranberry 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 Cranberry Lake Dam?
Cranberry Lake Dam is owned by Anacortes City (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cranberry Lake Dam built?
Cranberry Lake Dam was completed in 1910, making it 116 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 Cranberry Lake Dam?
Cranberry 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 Cranberry Lake Dam last inspected?
Cranberry Lake Dam was last inspected on December 14, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.