boreholes

Ions (mg/l)

Ca²⁺

Mg²⁺

K⁺

Na⁺

$HC{O}_3^{-}$

$S{O}_4^{2-}$

Cl⁻

$N{O}_3^{-}$

Dry season

Min

32.6

13.1

0.6

3.9

55.0

0.0

5.8

0.4

Max

68.5

25.5

4.4

22.5

197.0

0.0

8.5

15.4

Moy

45.5

19.4

2.5

10.8

163.8

0.0

7.1

4.2

Standard deviation

13.8

4.5

1.6

8.7

61.2

0.0

1.9

6.3

Wet season

Min

8.89

3.46

0.53

4.94

24.00

26.00

9.12

11.10

Max

86.60

22.38

2.89

28.86

278.00

26.00

11.14

18.30

Moy

45.68

14.35

1.18

13.47

177.40

26.00

10.13

14.48

Standard deviation

27.70

7.18

1.14

9.70

94.23

-

1.43

2.96

Well

Ions (mg/l)

Ca²⁺

Mg²⁺

K⁺

Na⁺

$HC{O}_3^{-}$

$S{O}_4^{2-}$

Cl⁻

$N{O}_3^{-}$

Dry season

Min

1.4

0.6

1.0

0.8

19.0

0.0

10.5

1.2

Max

30.2

13.7

9.1

26.8

135.0

0.0

32.8

21.5

Moy

14.6

6.2

4.1

13.4

65.3

0.0

20.7

6.0

Standard deviation

10.4

4.9

3.2

9.3

48.0

0.0

11.3

8.0

Wet season

Min

0.88

0.89

1.08

1.34

3.00

7.00

26.00

5.30

Max

32.54

17.38

13.14

27.03

183.00

8.00

34.10

22.60

Moy

18.41

10.10

6.71

15.25

56.00

7.50

30.05

13.92

Standard deviation

11.89

6.05

5.70

11.77

67.38

0.71

4.05

6.71