Table 1 Water quality and environmental parameters of the four sites.

From: Insight into impact of sewage discharge on microbial dynamics and pathogenicity in river ecosystem

 

Site-1

Site-2

Site-3

Site-4

pH

7.8 ± 0.5

7.5 ± 0.7

8.3 ± 0.9

7.8 ± 0.5

COD (mg/L)

47.3 ± 3.2

74.3 ± 4.2

62.8 ± 5.1

53.2 ± 3.2

NH4+-N (mg/L)

25.6 ± 1.5

73.8 ± 5.2

25.6 ± 2.1

8.7 ± 1.1

NO3–N (mg/L)

0.2 ± 0.06

1.2 ± 0.1

0.2 ± 0.05

12.2 ± 1.5

NO2–N (mg/L)

0.2 ± 0.04

0.1 ± 0.01

0.7 ± 0.06

0.1 ± 0.03

T (oC)

28.1 ± 4.0

28.7 ± 2.1

29.7 ± 1.5

32.7 ± 2.3

TP (mg/L)

1.6 ± 0.1

5.7 ± 0.8

1.2 ± 0.3

0.3 ± 0.1