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Arihant current affairs magazine
Buy and subscribe here arihant current affairs magazine published this article page no 31 the central pollution control board cpcb in collaboration with state pollution control boards has been monitoring water quality of national aquatic resources at 507 stations. the data obtained from these stations show that organic and bacterial contamination continues to be the main source of pollution in rivers. the yamuna river is the most polluted river in the country between delhi and etawah. other severely polluted rivers are the sabarmati at ahmedabad the gomti at lucknow the kali the adyar the cooum entire stretches the vaigai at madurai and the musi of hyderabad and the ganga at kanpur and varanasi. groundwater pollution has occurred due to high concentrations of heavy/toxic metals fluoride and nitrates at different parts of the country. the legislative provisions such as the water prevention and control of pollution act 1974 and environment protection act 1986 have not been implemented effectively. the result is that in 1997 251 polluting industries were located along the rivers and lakes arihant current affairs magazine monthly buy. arihant current affairs magazine