Sample No.

$N{O}_3^{-}$ (mg/l)

$N{H}_4^{+}$ (mg/l)

BOD5

COD

TOC%

2

9.8

1.4

121.2

66.7

Nil

3

22.4

1.4

115.2

100

0.009

4 (Bahar Al-Baqar)

29.4

14

205.2

100

0.02

5

33.6

4.2

205.2

133.3

0.006

6

42

1.4

169.8

133.3

0.007

7

29.4

4.2

145.2

Nil

0.006

8

15.4

4.2

133.8

66.7

0.006

9

18.2

2.8

-

Nil

0.017

10

19.6

1.4

-

133.3

0.009

11

11.2

1.4

-

166.7

0.015

12

8.4

7

18

166.7

0.011

13

1.4

2.8

-

133.3

0.009

14

Nil

1.4

-

133.3

0.011

15

Nil

11.2

-

133.3

0.009

Permissible levels

45

0.5

6

10

10