Question raised in Lok Sabha on contamination of ground water, 23/07/2015

Question raised in Lok Sabha on contamination of ground water, 23/07/2015. Ground water quality data generated by Central Ground Water Board (CGWB) indicates that ground water in various parts in Ten (10) States for Arsenic, Twenty (20) States for Fluoride, Twenty One (21) States for Nitrate, Twenty Four (24) States for Iron, and Fifteen (15) States for Heavy Metals such as Lead, Chromium and Cadmium have concentration higher than the norms, on the date of analysis, prescribed by the Bureau of Indian Standards. State/UT-wise list / parts of the districts where ground water was found contaminated is given at Annexure-I. Status of contamination of ground water for last three years (2012-15) is given at Annexure-II.