Period

GWQI values

Groundwater quality types

Number of samples

% of samples

Samples

Dry season

<50

Excellent water

43

70.49

1, 5, 7, 10, 11, 15, 16, B1, 20, 21, 22, 23, 24, 25, 26, 27, 28, B2, 30, 31, 32, 33, 34, 35, 36, 118, 39, 40, 41, 42, 45, 50, 51, 52, 53, 54, 55, 56 , 57, 119, 59, 60, 61

50 - 100

Good water

10

16.39

2, 3, 4, 6, 13, 18, 19, 38, 44, 46

100.1 - 200

Poor water

6

9.83

8, 12, 14, 37, 47, 49

200.1 - 300

Very poor water

0

0

>300

Water unsuitable for drinking purposes

2

3.27

9, 48

Rainy season

<50

Excellent water

34

55.73

1, 5, 11, 15, 16, B1, 20, 21, 22, 23, 24, 25, 27, 28, F2, 30, 34, 35, 36, 118, 39, 40, 41, 50, 51, 52, 53, 54, 56 , 57, 119, 59, 60, 61

50 - 100

Good water

19

31.14

2, 3, 4, 6, 7,10, 13, 14, 19, 26, 31, 32, 33, 42, 38, 44, 45, 46, 55

100.1 - 200

Poor water

6

9.83

8, 12, 18, 37, 47, 49

200.1 - 300

Very poor water

0

0

>300

Water unsuitable for drinking

purposes

2

3.27

9, 48