Variable

Minimum

Maximum

Average

Standard

deviation

Coefficient of variation (%)

Electrial conductivity (µs/cm)

241

1080

694

156

22.5

(mg/L)

204

580

354

78

22.0

(mg/L)

4

50

23

10

43.5

(mg/L)

7

165

48

40

83.3

Cl⁻ (mg/L)

3

77

27

18

66.7

Ca²⁺ (mg/L)

51

159

98

26

26.5

Mg²⁺ (mg/L)

2

76

13

12

92.3

Na⁺ (mg/L)

1

54

19

13

68.4

K⁺ (mg/L)

2

100

30

24

80.0