India, July 25 -- The Delhi Jal Board (DJB) has informed the National Green Tribunal (NGT) that it has withdrawn a 10% rebate granted in water bills from 119 societies in Dwarka, and issued disconnection notices after rainwater harvesting (RWH) systems there were either found missing or dysfunctional.

The water agency has also written to the Delhi Pollution Control Committee (DPCC) to impose an environmental compensation (EC) on such societies for polluting the groundwater table.

NGT has been hearing a plea since February 2023, after a Dwarka resident alleged that RWH pits in the sub-city were leading to groundwater contamination. A joint inspection by an NGT-appointed expert committee in May 2023, which included members from DPCC and D...