Longview Sewage Lagoon No 4
Key Takeaway
Longview Sewage Lagoon No 4 is classified as low hazard in Washington. It was completed in 1987 and is 39 years old. Its primary use is other.
Physical Details
| Dam Length | 2,000 ft |
| Dam Type | Earth |
| Max Storage | 60 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 8 cfs |
| Year Completed | 1987 (39 years old) |
| NID ID | WA00510 |
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
Longview City
Local Government
Nearby Dams
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Low HazardFrequently Asked Questions
What is the hazard classification of Longview Sewage Lagoon No 4?
Longview Sewage Lagoon No 4 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 Longview Sewage Lagoon No 4?
Longview Sewage Lagoon No 4 is owned by Longview City (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Longview Sewage Lagoon No 4 built?
Longview Sewage Lagoon No 4 was completed in 1987, making it 39 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 Longview Sewage Lagoon No 4?
Longview Sewage Lagoon No 4 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.