Water Quality Analysis of Borewells for Drinking Purpose in Selected Wards of Tumakuru City Corporation Limits

A study was undertaken to ascertain the quality of water of borewells for human consumption in Tumakuru City Corporation limits utilizing Water Quality Index (WQI). 45 borewell samples were obtained from six wards during January–June 2022. The collected samples were tested for nine parameters, namely pH, Acidity, Alkalinity, Total Hardness, Calcium, Magnesium, Chloride, Sulphate and Nitrate as per IS code provisions. It was found that 35.5% samples are satisfying the BIS standards, and 64.5% samples are not meeting the standards as per WQI. Higher WQI was observed due to higher values of Alkalinity, Total hardness, Chloride, Calcium and Magnesium content present in the borewell water. The test results showed that the groundwater sources need to be treated before consumption and also sources have to be protected from contamination in future. This study helps protect groundwater sources and their management in future.