Tue Jan 13 14:21:11 UTC 2026: ### Headline: Chennai Secures ₹3,797.95 Crore Investment to Overhaul Water and Sewer Infrastructure

The Story:

Chennai Metrowater is set to embark on two major projects to significantly improve the city’s water and sewer infrastructure, following in-principle approval from the Tamil Nadu state government. The projects, totaling ₹3,797.95 crore, will focus on establishing a city-wide ring main system for water distribution and upgrading the existing sewer infrastructure linked to the Nesapakkam sewage treatment plant. The ambitious plans aim to ensure consistent water supply and address the demands of a growing population.

Key Points:

  • ₹3,108.55 crore allocated for the ring main system project, connecting all nine water sources in a closed loop.
  • The ring main system is designed to handle a projected flow of 1,762 million litres a day by 2057.
  • ₹689.40 crore approved for upgrading the sewer infrastructure near the Nesapakkam sewage treatment plant.
  • The sewer project includes upgrading six sewage pumping stations, constructing 7,807 machine holes, and replacing approximately 185 km of pipelines.
  • Funding for both projects will be provided through loans from the Asian Development Bank (ADB).
  • The sewer upgrade project is projected to benefit approximately 1.16 lakh households.

Key Takeaways:

  • The Tamil Nadu government is prioritizing infrastructure development to address the needs of its growing urban population.
  • The reliance on ADB loans highlights the state’s strategy for funding large-scale infrastructure projects.
  • The focus on a ring main system indicates a move towards a more resilient and reliable water supply network for Chennai.
  • The upgrades to the sewer system are crucial to prevent environmental issues and health hazards associated with aging infrastructure.

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