Tree Top Selah Wastewater Lagoon
Key Takeaway
Tree Top Selah Wastewater Lagoon is classified as low hazard in Washington. It was completed in 1991 and is 35 years old. Its primary use is other.
Physical Details
| Dam Length | 3,317 ft |
| Dam Type | Earth |
| Max Storage | 210 acre-ft |
| Normal Storage | 168 acre-ft |
| Surface Area | 168 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 9 cfs |
| Year Completed | 1991 (35 years old) |
| NID ID | WA01708 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Tree Top Inc
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Tree Top Selah Wastewater Lagoon?
Tree Top Selah Wastewater Lagoon is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Tree Top Selah Wastewater Lagoon?
Tree Top Selah Wastewater Lagoon is owned by Tree Top Inc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tree Top Selah Wastewater Lagoon built?
Tree Top Selah Wastewater Lagoon was completed in 1991, making it 35 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 Tree Top Selah Wastewater Lagoon?
Tree Top Selah 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 Tree Top Selah Wastewater Lagoon last inspected?
Tree Top Selah Wastewater Lagoon was last inspected on October 9, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.