CHENNAI: Chief Minister C Joseph Vijay laid the foundation stone for the Rs 3,108.55 crore Ring Main Project under the Greater Chennai Corporation areas at the Metro Water pumping station in Sholinganallur. To meet the daily drinking water demand of Chennai's 91 lakh residents, 1,260 MLD of water is supplied through 143 distribution stations. This water is sourced from five reservoirs, along with the water received from the Krishna river and Kannankottai Thervaikandigai. Processing is handled by five water treatment plants and three seawater desalination plants, one in Minjur and two in Nemme...