Annex 1

Details of the major sewage treatment works in

Average Daily Treatment Water Capacity and Discharge Control Zone Bathing beaches Sewage Treatment Year of Quantity (WCZ) close to STW Works Commissioning [10,000 m3/day] receiving discharge （Treatment Level） STW discharge Harbour Area Treatment Scheme (HATS) Tung Wan 188.4 Beach, Anglers’ (Collect preliminary/ screening Beach, Gemini 1997 Sewage Treatment treated sewage from HATS Western Buffer Beaches, , (Main Pumping Works Stage 1 and Stage 2A for WCZ , Station in 2001) (SCISTW) chemically enhanced primary Casam Beach, Ting treatment in SCISTW) Kau Beach, Harbour Area Treatment Scheme Stage 1 20.1 Sewage Preliminary 1995 （Preliminary/Screening conveyed by Treatment Works Treatment） deep tunnels to SCISTW for 5.6 treatment and Preliminary 1986 （Preliminary/Screening disinfection Treatment Works Treatment） before North West 34.8 submarine 1997 （Preliminary/Screening discharge since Preliminary Treatment） end 2001 Treatment Works (except To Kwa Wan 22.0 NWKPTW Preliminary 1990 （Preliminary/Screening which Treatment Works Treatment） connects to Not applicable Kwun Tong 35.0 SCISTW Preliminary 1987 （Preliminary/Screening direct) Treatment Works Treatment） Tseng Kwan O 13.1 Preliminary 1987 （Preliminary/Screening Treatment Works Treatment） 5.3 Preliminary 1985 （Preliminary/Screening Treatment Works Treatment） 7.1 Preliminary 1992 （Preliminary/Screening Treatment Works Treatment） Harbour Area Treatment Scheme Stage 2 North Point 9.9 Sewage Preliminary 1989 （Preliminary/Screening conveyed by Treatment Works Treatment） deep tunnels to Not applicable Wan Chai East 14.0 SCISTW for Preliminary 1989 （Preliminary/Screening treatment and Treatment Works Treatment） disinfection Average Daily Treatment Water Capacity and Discharge Control Zone Bathing beaches Sewage Treatment Year of Quantity (WCZ) close to STW Works Commissioning [10,000 m3/day] receiving discharge （Treatment Level） STW discharge 11.9 before Central Preliminary 1988 （Preliminary/Screening submarine Treatment Works Treatment） discharge since end 2015 2.6 Preliminary 1980 （Preliminary/Screening Treatment Works Treatment） Aberdeen 5.2 Preliminary 1979 Preliminary/Screening Treatment Works Treatment） Wah Fu 0.7 Preliminary 1970 （Preliminary/Screening Treatment Works Treatment） 0.5 Preliminary 2002 （Preliminary/Screening Treatment Works Treatment） Sandy Bay 0.6 Preliminary 1999 （Preliminary/Screening Treatment Works Treatment） Others 1.3 Sewage Treatment 1985 Southern （Primary Treatment） Works Ma Wan Sewage 0.4 Ma Wan Tung Wan 2002 Western Buffer Treatment Works （Secondary Treatment） Beach Mui Wo Sewage 0.2 Silver Mine Bay 1987 Southern Treatment Works (Secondary Treatment） Beach Ngong Ping 0.05 No beach located Sewage Treatment 2006 Southern nearby the discharge （Tertiary Treatment） Works point Sewage 0.2 Silver Mine Bay 2007 Southern Treatment Plant （Secondary Treatment） Beach Butterfly Beach, 17.3 , Pillar Point Sewage North and Kadoorie Beach, 2014 （Chemically Enhanced Treatment Works Western Cafeteria Old Beach, Primary Treatment） Cafeteria New Beach, Sai Kung Sewage 0.9 1996 Port Shelter Treatment Works （Secondary Treatment） San Wai 12.5 No beach located North and Preliminary 1993 （Preliminary /Screening nearby the discharge Western Treatment Works Treatment） point Sha Tau Kok 0.1 No beach located Sewage Treatment 1989 Mirs Bay nearby the discharge （Secondary Treatment） Works point Average Daily Treatment Water Capacity and Discharge Control Zone Bathing beaches Sewage Treatment Year of Quantity (WCZ) close to STW Works Commissioning [10,000 m3/day] receiving discharge （Treatment Level） STW discharge Anglers’ Beach, Gemini Beaches, Hoi 1.0 Mei Wan Beach, Sewage Treatment 2004 （Chemically Enhanced Western Buffer Casam Beach, Lido Works Primary Treatment） Beach, Beach, Approach Beach Victoria No beach located near Sewage 24.3 2012 Houbour the discharge point Treatment Works （Secondary Treatment） (Phase 2) 0.1 Beach, Rocky Shek O Preliminary 1997 （Preliminary/Screening Southern Bay Beach, Big Wave Treatment Works Treatment） Bay Beach Shek Wu Hui 8.7 No beach located near Sewage Treatment 2009 Deep Bay the discharge point （Secondary Treatment） Works Siu Ho Wan 5.2 Anglers’ Beach Sewage Treatment 2006 （Chemically Enhanced North Western Works Primary Treatment） , Stanley Sewage 0.8 1995 Southern , Turtle Treatment Works （Secondary Treatment） Cove Beach 0.1 Imhoff Tank 1982 North Western （Primary Treatment） Victoria No beach located near Tai Po Sewage 11.5 2015 Harbour the discharge point Treatment Works Secondary Treatment） (Phase 2) Yuen Long Sewage 2.9 No beach located near 1992 Deep Bay Treatment Works （Secondary Treatment） the discharge point Yung Shue Wan 0.04 Hung Shing Yeh Sewage Treatment 2014 Southern Beach （Secondary Treatment） Works Sok Kwu Wan 0.01 , Sewage Treatment 2014 （Secondary Treatment） Southern Beach Works

Map showing locations of major Sewage Treatment Works and nearby Gazetted Beaches