Parameter
N
Min.
Max.
Mean
Median
SD.
Skewness
Kurtosis
WHO
PWA
pH
325
6.69
8.76
7.52
7.45
0.41
0.66
3.03
6.5 - 8.5
6.5 - 9.5
TDS (mg/l)
325
118
16,616
2096.20
1649
2088.80
3.82
22.31
500
1500
Hardness
325
34
4419
629.42
453
580.25
3.23
16.00
250
600
Alkalinity
325
35.4
797
277.16
267
103.70
0.99
5.11
200
400
(mg/l)
325
35.8
9116
850.96
580
1159.50
4.27
25.70
250
600
(mg/l)
325
8
528
113.72
102.55
71.72
1.37
6.60
45
70
(mg/l)
325
0
1447
228.72
158
216.36
1.82
7.86
200
400
(mg/l)
325
10.2
764
108.56
84
104.38
3.36
16.7
75
100 - 200
(mg/l)
325
2
683
88.33
64
83.86
3.21
16.46
30
150
(mg/l)
325
0.12
1.87
1.01
0.98
0.41
0.13
2.19
1
1.5