Deer Park Sewage Treatment Lagoon
Key Takeaway
Deer Park Sewage Treatment Lagoon is classified as high hazard in Washington. It was completed in 1984 and is 42 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 | 2,113 ft |
| Dam Type | Earth |
| Max Storage | 24 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 5 cfs |
| Year Completed | 1984 (42 years old) |
| NID ID | WA01467 |
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
Deer Park City
Local Government
Nearby Dams
Deer Park Aeration Lagoon
Spokane, WA
High HazardDragoon Lake Dam
Spokane, WA
Low HazardDeer Park Waste Water Storage Lagoon
Spokane, WA
High HazardDeer Park Wastewater Storage Lagoon No
Spokane, WA
High HazardBeryl Baker Dam
Stevens, WA
High HazardLoon Lake Aeration Lagoon
Stevens, WA
High HazardLoon Lake Waste Storage Lagoon
Stevens, WA
High HazardLoon Lake Polishing Lagoon
Stevens, WA
High HazardFrequently Asked Questions
What is the hazard classification of Deer Park Sewage Treatment Lagoon?
Deer Park Sewage Treatment 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 Deer Park Sewage Treatment Lagoon?
Deer Park Sewage Treatment Lagoon is owned by Deer Park City (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Deer Park Sewage Treatment Lagoon built?
Deer Park Sewage Treatment Lagoon was completed in 1984, making it 42 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 Deer Park Sewage Treatment Lagoon?
Deer Park Sewage Treatment 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 Deer Park Sewage Treatment Lagoon last inspected?
Deer Park Sewage Treatment Lagoon was last inspected on July 12, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.