Parameter

Boreholes

Shallow Wells

T

Df

P-Value

T

df

P-Value

Temperature (˚C)

−1.36

29

0.18

−8.491

16

0.000

pH

0.75

29

0.46

5.514

16

0.000

Electrical Conductivity (μS/cm)

−3.85

29

0.00**

7.491

16

0.000

Turbidity (NTU)

−7.99

29

0.00**

9.618

16

0.000

Total Dissolved solids (mg/l)

0.11

29

0.91

6.252

16

0.000

Dissolved Oxygen (mg/l)

−0.49

29

0.63

6.942

16

0.000

Total Hardness (mg/l)

−5.82

29

0.00**

6.810

16

0.000

Total Alkalinity (mg/l)

−1.44

29

0.16

3.847

16

0.001

Magnesium (mg/l)

−1.21

29

0.24

−2.101

16

0.052**

Calcium (mg/l)

−2.35

29

0.03**

7.341

16

0.000

Sodium (mg/l)

−1.30

29

0.20

3.896

16

0.001

Potassium (mg/l)

−2.06

29

0.05

7.499

16

0.000

Iron (mg/l)

−2.42

29

0.02**

6.395

16

0.000

Fluoride (mg/l)

−8.70

29

1.41

12.222

16

0.000

Chloride (mg/l)

−6.44

29

4.86

10.259

16

0.000

Nitrate (mg/l)

−6.44

29

4.85

9.483

16

0.000

Sulphate (mg/l)

−4.33

29

4.18

10.103

16

0.000