This is a Packaged Type Sewage Treatment plant which is called Johkasou from DAIKI AXIS .There Is only one BA 5 module for the Public toilet. The outlet or treated water is reused in the flush, basins of the public toilet. There is a pump for recirculating the treated water in the toilets and a blower for aeration in the third chamber. it takes a space of Length:2.80 m, Width: 1.70 m, Height: 1.98 m.