Reardan Sewage Lagoon
Key Takeaway
Reardan Sewage Lagoon is classified as high hazard in Washington. It was completed in 2006 and is 20 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 | 1,700 ft |
| Dam Type | Earth |
| Max Storage | 22 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 2006 (20 years old) |
| NID ID | WA01880 |
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
Reardan Town
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Reardan Sewage Lagoon?
Reardan Sewage Lagoon 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 Reardan Sewage Lagoon?
Reardan Sewage Lagoon is owned by Reardan Town (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Reardan Sewage Lagoon built?
Reardan Sewage Lagoon was completed in 2006, making it 20 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 Reardan Sewage Lagoon?
Reardan Sewage Lagoon 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 Reardan Sewage Lagoon last inspected?
Reardan Sewage Lagoon was last inspected on March 22, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.