Vijay launches ₹3,108-cr. ring main pipeline project for equitable drinking water supply

Chief Minister C. Joseph Vijay has launched a ₹3,108-crore ring main pipeline project to interlink Chennai's water sources and treatment plants. The project aims to ensure a reliable and equitable water supply for the city's 91 lakh residents.
Why it matters
Infrastructure projects of this scale are vital for urban resilience against water scarcity and supply disruptions in rapidly growing cities.
Chief Minister C. Joseph Vijay on Wednesday laid the foundation stone for a ring main pipeline system, a project to interlink various water sources in Chennai at a cost of ₹3,108.55 crore.
The project aims at ensuring an equitable and uninterrupted supply of drinking water to residents of the Greater Chennai Corporation (GCC) area.
It is being implemented by the Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB).
Mr. Vijay launched the closed circular loop project at the Chennai Metrowater pumping station in Sholinganallur.
According to an official release, the city’s major water sources include Puzhal, Cholavaram, Veeranam, Chembarambakkam, Thervoy Kandigai-Kannankottai and Poondi reservoirs, and Krishna river. Water from these sources is being treated at the treatment plants in Puzhal, Surapet, Kilpauk, Chembarambakkam and Veeranam.
The supply infrastructure also includes a desalination plant at Minjur and two desalination plants at Nemmeli.
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