Ferndale Aerated Sewage Lagoon No 3

Tr-Nooksack River-Offstream· Whatcom, Washington· Built 1986· Earth·
High Hazard Other Local Government

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 Length1,820 ft
Dam TypeEarth
Max Storage45 acre-ft
Normal Storage35 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge12 cfs
Year Completed1986 (40 years old)
Year Modified1997
NID IDWA00514

Safety Information

High Hazard

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?

Emergency Action Plan: Yes
Last Inspection: March 16, 2024
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Ferndale City Hall

Local Government

Nearby Dams

Frequently 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.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.