浄化槽
Meanings
1
water-purification tank
General term for a tank that purifies water; can refer to various treatment systems.
This factory uses a water-purification tank to clean its wastewater.
2
septic tank
Specifically a tank for treating domestic sewage, often in areas without a central sewer system.
In rural houses, septic tanks need to be inspected regularly.
Usage patterns
- 〈場所〉に浄化槽を設置するto install a septic/purification tank at a place
We installed a septic tank at the new house.
- 浄化槽の点検をするto inspect a purification/septic tank
We have the septic tank inspected once a year.
- 浄化槽から排水を放流するto discharge treated water from the tank
Water treated in the tank is discharged into the river.