Current World Environment

Ground-water quality of Raigarh city in Chattisgarh state was assessed for drinking water purpose based on physico-chemicals, heavy metals & bacteriological (Coliform) parameters. The samples were analysed as per methods specified by Bureau of Indian Standards/standard methods. Physico-chemical analysis reveals that fluoride,nitrate and iron are higher than BIS specified limit at some sampling sites . The samples with high Iron content & other heavy metals pollution was found in groundwater located near sponge iron plant indicating possible metal leaching into groundwater. Bacteriological analysis reveals that coliform organisms were found absent at 5 locations while at 13 sampling locations, they were found in less than BIS specified limit. Four sampling stations were found heavily contaminated by coliform organisms with maximum coliform organisms were found 86/100ml of water sample.