Hydrology: Indo-Gangetic Groundwater Threat
Increasing groundwater extraction supports hundreds of millions of people across the Indo-Gangetic Basin. Data suggests that despite the increase in withdrawals, groundwater depletion is localized and the most widespread threat is contamination.
Fendorf, Scott and Benner, Shawn G.. (2016). "Hydrology: Indo-Gangetic Groundwater Threat". Nature Geoscience, 9(10), 732–733.