Table 1 Mean value of physico-chemical parameters in groundwater samples collected from eight boreholes in Muledane village

B1

30°28′24.1″E

23°00′16.7″S

January

0.65

7.17

61.90

414.73

30.07

121.64

15.25

April

0.99

6.51

63.70

426.79

23.93

53.13

12.55

June

1.16

6.96

64.00

428.8

32.42

51.55

13.90

B2

30°28′13.5″E

23°00′09.4″S

January

1.12

6.75

40.90

274.07

41.89

14.23

1.76

April

0.54

6.22

42.90

287.43

35.85

5.81

1.63

June

0.94

6.79

43.70

292.79

46.47

57.38

1.70

B3

30°27′19.0″E

22°59′43.1″S

January

4.10

6.82

32.90

220.43

28.87

30.49

2.03

April

14.9

6.22

18.68

125.16

14.22

11.97

1.61

June

1.28

6.39

20.18

135.21

16.80

11.84

1.82

B4

30°27′17.8″E

22°59′43.1″S

January

1.22

7.19

4.48

29.49

4.30

0.70

0.97

April

3.50

6.17

31.90

213.73

46.91

0.60

0.80

June

1.11

7.20

16.28

109.08

42.61

0.65

0.97

B5

30°27′15.5″E

22°59′43.0″S

January

1.00

6.95

11.30

75.71

10.14

16.08

0.65

April

5.76

6.13

16.29

109.14

11.29

2.2

0.61

June

1.04

6.71

19.47

130.45

14.92

9.16

0.63

B6

30°27′14.8″E

22°59′42.2″S

January

1.38

6.76

12.70

85.09

11.10

16.37

1.22

April

1.62

6.22

8.99

60.23

2.67

0.85

0.81

June

1.16

6.28

9.78

64.99

8.45

72.71

1.01

B7

30°27′13.9″E

22°59′44.2″S

January

2.26

6.62

28.20

188.94

19.92

47.86

4.87

April

0.94

6.04

15.11

101.24

2.53

5.03

0.76

June

1.66

6.57

9.81

65.73

12.60

2.25

2.81

B8

30°27′12.0″E

22°59′47.8″S

January

0.33

6.98

61.30

410.71

30.70

125.18

16.14

April

0.79

6.49

40.90

274.03

34.18

63.73

14.56

June

1.01

6.59

51.10

342.37

3.48

2.27

16.14

Standard limit for WHO for drinking water quality

1.0

6.0–9.0

≤ 70

≤ 450

100

50

< 200

Standard limit for DWAF for drinking water quality

< 5

–

–

< 1000

–

< 22

–