Heavy metal contaminations in sagar lake and drinking water sources of sagar city.

There are various toxic elements present in our surroundings out of that the toxic heavy metals Pb, Cd, As, Se, Cr and Cu can cause several harms to human these metals enter in humans by water. The all kind of waste materials are thrown into natural water bodies in each city, this makes the all ground and natural water sources contaminated. The all six metals have determined by Atomic absorption spectrophotometer(AAS) in selected water samples from Sagar Lake and dug wells, hand pumps, tube wells etc. during Jan.2009 to June 2010 in every month the all most all sample have higher metal concentrations than their prescribed permissible limits by WHO.