3W got the turnkey contracts for the installation of 80 m3/day capacity WWTPs at all four MTERO Cash n Carry stores in Pakistan. The plants were based on Moving Bed Bioreactor (MBBR) technology and are able to meet Pak NEQS easily after secondary treatment. Moreover, tertiary treatment as Sand filtration is also provided which can produce reusable quality treated effluent. The wastewater from METRO comprises of blood, fruits and vegetables cuttings, bakery wastewater and domestic wastewater. These plants are under operation since 2009 and are performing well.