Sample ID

Temp

(˚C)

pH

EC

(μ/cm)

TDS

ppm

DO

(mg/l)

BOD

mg/l

COD

mg/l

Turbidity

(FTU)

Colour

St-1

23.9

4.0

4675

2572

2.6

69

673

863

deep yellowish

St-2

24.0

4.4

2190

1205

2.1

55

506

589

dark brown

St-3

24.0

4.8

2245

1235

0.3

128

521

>1000

brown to black

St-4

24.0

5.0

2450

1348

0.4

105

519

>1000

Blackish

P-1

24.0

6.1

3090

1699

2.8

98

612

>1000

Yellowish

P-2

24.0

8.3

573

315

4.4

18

109

40.81

Colourless

P-3

24.1

7.3

570

314

6.6

20

114

0.00

light greenish

R-1

24.2

7.1

365

245

6.2

8.9

68

5.6

Turbid

Control

24.1

6.9

193.4

106.37

4.7

8.3

48

2.1

Colorless