West Richland Sewage Lagoon North
Key Takeaway
West Richland Sewage Lagoon North is classified as significant hazard in Washington. It was completed in 1961 and is 65 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Type | Earth |
| Max Storage | 75 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | WA01734 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
West Richland City
Local Government
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High HazardFrequently Asked Questions
What is the hazard classification of West Richland Sewage Lagoon North?
West Richland Sewage Lagoon North is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates West Richland Sewage Lagoon North?
West Richland Sewage Lagoon North is owned by West Richland City (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was West Richland Sewage Lagoon North built?
West Richland Sewage Lagoon North was completed in 1961, making it 65 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 West Richland Sewage Lagoon North?
West Richland Sewage Lagoon North 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 West Richland Sewage Lagoon North last inspected?
West Richland Sewage Lagoon North was last inspected on March 12, 2024. Inspection dates indicate when a formal review occurred, not the results of that inspection.