August 16, 2018
Fluoride occurs naturally in groundwater. In small amounts, this is usually not a problem, but in India the concentration in many places exceeds the threshold at which is starts to present a health hazard. According to estimates by Eawag researchers, based on new computer models, more than a hundred million people are affected.
Many Indian lakes and rivers are polluted, and drinking from them is a health hazard. For this reason, more and more people in India are pumping ever-greater quantities of water - assumed to be clean groundwater – from underground wells. But in many places, this is also contaminated….