Invited by the Water Supplies Department (WSD), Chairman Chau Yin-ming led a part of the Sai Kung District Council (SKDC) members and representatives from the Home Affairs Department to visit the Ma On Shan Water Treatment Works on 25 April 2023 to gain more understanding of the facilities, water treatment process and water quality monitoring procedures of the Water Treatment Works. The SKDC members also discussed about the water supply services in Sai Kung District with the Director of Water Supplies and WSD staff.