Kennewick No 2 Aerated Wastewater Lagoon
Key Takeaway
Kennewick No 2 Aerated Wastewater Lagoon is classified as high hazard in Washington. It was completed in 1975 and is 51 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 Type | Earth |
| Max Storage | 153 acre-ft |
| Normal Storage | 132 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | WA01797 |
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
Kennewick City Public Works
Local Government
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Low HazardFrequently Asked Questions
What is the hazard classification of Kennewick No 2 Aerated Wastewater Lagoon?
Kennewick No 2 Aerated Wastewater 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 Kennewick No 2 Aerated Wastewater Lagoon?
Kennewick No 2 Aerated Wastewater Lagoon is owned by Kennewick City Public Works (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Kennewick No 2 Aerated Wastewater Lagoon built?
Kennewick No 2 Aerated Wastewater Lagoon was completed in 1975, making it 51 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 Kennewick No 2 Aerated Wastewater Lagoon?
Kennewick No 2 Aerated Wastewater 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 Kennewick No 2 Aerated Wastewater Lagoon last inspected?
Kennewick No 2 Aerated Wastewater Lagoon was last inspected on October 23, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.