UPDATE

Rivers in western Uttar Pradesh like Kali, Krishna and Hindon have been polluted to dangerous levels because of the industrial waste released illegally into them by the industries. So grave is the pollution that they have also contaminated the groundwater of hundreds of villages located on the banks of these rivers thereby endangering the health of millions of people, revealed a scientific study of one of the rivers Kali which flows through nine districts and covers about 200 km. Testing of 16 water samples, eight of ground water and eight of the river water from eight districts which the Kali flows through, has shown that not only the river water has been seriously contaminated but that has also contaminated the groundwater of all the villages located on its bank in eight districts.

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http://www.thehindu.com/news/national/other-states/kali-river-contaminates-groundwater/article7626209.ece