Group Groundwater parameter No. of sample % of samples
I 1,3,17,18 and 20 5 16.67
II 4,5,7,10,14,22,24 and 27 8 26.66
III 2,6,8,9,11,12,13,15,16,19,21,23,25,26,28,29 and 30 17 56.67