N˚

Parameters

Units

Reference

Samples

L4

L5

L10

1

pH

-

7.0

6.4

8.6

8.7

2

TSS

mg/l

100

96

117

231

3

Conductivity

µS/cm

2700

6830

1267

1136

4

Turbidity

NTU

-

85

100

202

5

Cu

mg/l

1.5

0.789

11.370

0.052

6

Mn

mg/l

1.0

13.430

13.390

0.985

7

Fe

mg/l

6.0

0.014

0.128

<0.01

8

Cd

mg/l

0.5

0.041

0.022

<0.01

9

Co

mg/l

1.0

9.247

9.390

3.326

10

Ni

mg/l

0.1

0.298

0.307

0.074

11

Pb

mg/l

0.5

0.253

0.296

<0.01

12

Zn

mg/l

10

1.510

1.740

<0.01

13

Ca

mg/l

100

89.650

958.1

240.20

14

Mg

mg/l

100

77.180

1035.0

247.20

15

${\text{SO}}_4^{2-}$

mg/l

100

103

111

>140