Assessment of Groundwater quality using Water Quality Index
نویسنده
چکیده
Fifty sampling stations have been identified and water samples were collected from June to May 2008, to know the groundwater quality of Greater Visakhapatnam city using Water Quality Index. The samples were analyzed for the physico-chemical parameters like Temperature, pH, Conductivity, Total dissolved solids, Dissolved Oxygen, Hardness, Calcium, Magnesium, Alkalinity, Chloride and Nitrate. The range of Water Quality Index is 28 to 267. Sample stations 33, 42, 43, and 45-47 come under excellent water quality and 4, 11-14, 18, 21, 26-28, 31, 36, 37, 38, 40, and 44 belong good water quality. The sample stations 5-8, 15, 22, 23, 34, and 41 are poor water quality. Sample station 3 has very poor water quality. Salt water intrusion has also been assessed using various parameters. According to Cl /(CO3 2+ HCO3 ) and TA/TH ratios, the sample stations 2 and 3 are not useful for human consumption.
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