Sampling points

Total Heterotrophic Count (THC) ×107

1

0.91 ± 0.04

2

1.76 ± 0.04

3

1.92 ± 0.02

4

1.76 ± 0.04

5

1.92 ± 0.01

6

3.76 ± 0.1

7

1.40 ± 0.01

8

3.48 ± 0.01

9

1.08 ± 0.07

10

1.62 ± 0.04