Johkasou technology is a JAPANESE Packaged type Sewage Treatment Technology. In This project The Johkasou module  is from DAIKI AXIS , JAPAN. The Module is installed under the car parking of the house and its capacity is 5m3/day. There is a blower for the aeration process and The treated water goes directly into the Gulshan Lake. it takes a space of Length:2.80 m, Width: 1.70 m, Height: 1.98 m.