North West Kowloon Preliminary Treatment Works Sham Tseng Sewage Treatment Works Airport MidField Grey Water Plant Relocation of Sha Tin Sewage Treatment Works to Caverns - DAF Water Supplies Department - Flow Instrument Lian Tang Sewage Treatment Plant Organic Waste Treatment Facility Phase I Relocation of Sha Tin Sewage Treatment Works to Caverns - Water Quality Mui Wo Sewage Treatment Works Repulse Bay Main Sewage Pumping Station West Kowloon Sea Water Pump House - MTRC Drainage Services Department - Flow Instruments