S No Parameter Weight Factor Standards (IS-10500) 1 pH 1 6.5-8.5 2 Total Dissolved Solids (mg/l) 3 500-2000 3 Total Hardness (mg/l) 1 300-600 4 Chloride (mg/l) 1 250-1000 5 Sulphate(mg/l) 2 25-1000

Table 1: Assignment of significance weight to the water quality parameter [29,31].