Selah Aerated Lagoon
Key Takeaway
Selah Aerated Lagoon is classified as high hazard in Washington. It was completed in 1985 and is 41 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 | 1,180 ft |
| Dam Type | Earth |
| Max Storage | 26 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1985 (41 years old) |
| NID ID | WA01478 |
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
Selah City - Wastewater Treatment Plant
Local Government
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High HazardFrequently Asked Questions
What is the hazard classification of Selah Aerated Lagoon?
Selah Aerated 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 Selah Aerated Lagoon?
Selah Aerated Lagoon is owned by Selah City - Wastewater Treatment Plant (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Selah Aerated Lagoon built?
Selah Aerated Lagoon was completed in 1985, making it 41 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 Selah Aerated Lagoon?
Selah Aerated 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 Selah Aerated Lagoon last inspected?
Selah Aerated Lagoon was last inspected on May 1, 2024. Inspection dates indicate when a formal review occurred, not the results of that inspection.