jōkasō
1. water-purification tank
2. septic tank
★ Common
Noun
#55006
1. water-purification tank
2. septic tank
1. If/when septic tank; When a septic tank
1. Not a septic tank.
1. Was a septic tank.
1. If it were a septic tank.; When it is a septic tank.
1. It is not a septic tank.
1. Was not a septic tank.; Was not a purification tank.
1. Was not a septic tank.; Was not a purification tank.
1. It is not a septic tank.
1. Wasn't a septic tank.; Wasn't purification equipment.