New Delhi, April 1 -- Abandoned quarries used for water storage in Chennai: CMWSSB The Chennai Metropolitan Water Supply & Sewerage Board (CMWSSB), in its efforts for water augmentation through non-conventional sources, implemented the pumping of water from abandoned quarries to Sikkarayapuram quarries during the extreme droughts in 2017, 2019, 2023 and 2024 under special initiatives.

This was stated in the report filed by CMWSSB to the National Green Tribunal (NGT) on March 28, 2025.

Currently, the infrastructure for pumping operations at the Sikkarayapuram quarries is ready for use. Additionally, infrastructure work to obtain electricity from the Tamil Nadu Electricity Board at the Sikkarayapuram quarries has been completed, and the ...