Economy As Kolkata’s groundwater level depletes, consequences go beyond water shortage Updated : June 18, 2019 03:56 PM IST Indiscriminate extraction of groundwater could have more consequences for Kolkata than it seems to be aware of. In addition to water shortage, the increasing contamination due to deepening of the water table, serious health hazards and even instability in built structures. Authorities however claim that the added pressure of migrating population as well as reckless use of water by citizens is impacting the supply of water and making it insufficient. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.