Summary:
With these three, the number of districts with a declining trend in groundwater levels has gone up to 22 from 19 since April. This is the first time since January 2018 that Thoothukudi and Tirunelveli see a dip in groundwater levels. With heat waves prevalent across the state and South West monsoon yet to bring any relief, the declining trend of groundwater levels continues steadily. Nine districts including Erode, Trichy, Coimbatore and parts of Madurai still have rising groundwater levels and fall under the green category. Failing groundwater levels in districts in the immediate vicinity to Chennai is mostly due to over-extraction by private tankers and water packaging companies said, experts..