Ferndale Aerated Sewage Lagoon No 3
Key Takeaway
Ferndale Aerated Sewage Lagoon No 3 is classified as high hazard in Washington. It was completed in 1986 and is 40 years old. Its primary use is other. 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 | 1,820 ft |
| Dam Type | Earth |
| Max Storage | 45 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 12 cfs |
| Year Completed | 1986 (40 years old) |
| Year Modified | 1997 |
| NID ID | WA00514 |
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
Ferndale City Hall
Local Government
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High HazardFrequently Asked Questions
What is the hazard classification of Ferndale Aerated Sewage Lagoon No 3?
Ferndale Aerated Sewage Lagoon No 3 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 Ferndale Aerated Sewage Lagoon No 3?
Ferndale Aerated Sewage Lagoon No 3 is owned by Ferndale City Hall (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ferndale Aerated Sewage Lagoon No 3 built?
Ferndale Aerated Sewage Lagoon No 3 was completed in 1986, making it 40 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 Ferndale Aerated Sewage Lagoon No 3?
Ferndale Aerated Sewage Lagoon No 3 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Ferndale Aerated Sewage Lagoon No 3 last inspected?
Ferndale Aerated Sewage Lagoon No 3 was last inspected on March 16, 2024. Inspection dates indicate when a formal review occurred, not the results of that inspection.