Parameter

Mean physicochemical parameters at determined sampling distances from the sanitary pits

[13] Permissible limits

3 m

6 m

10 m

F test p value

pH

5.90 ± 0.12

6.31 ± 0.11

0.03

6.5 ± 8.5

6.5 ± 8.5

Turbidity (NTU)

6.634 ± 0.41

6.634 ± 0.22

1.92 ± 0.16

0.01

5

Electrical conductivity (µS/cm)

303.91 ± 10.62

211.42 ± 17.61

122.03 ± 3.64

0.02

1000

Total dissolved solids (mg/L)

261.90 ± 17.20

185.95 ± 4.62

100.06 ± 2.13

0.02

250

Nitrate (mg/L)

4.68 ± 0.37

2.29 ± 0.15

1.21 ± 0.11

0.02

50

Sulphate (mg/L)

49.61 ± 2.02

38.77 ± 2.10

28.89 ± 0.81

0.01

250