Metrowater treats around 2,616.28 million litres of wastewater in three days in Chennai October 21, 2024 | Key Segments, Municipal Wastewater, News & Developments, Wastewater Chennai Metropolitan Water Supply and Sewerage Board (Metrowater) has reported treating and releasing around 2,616.28 million litres of wastewater in three days in Chennai. This content is restricted.