Sample code

GR-1

GR-2

GR-3

pH

7.78

7.34

7.09

TDS (mg/l)

4550

931

4870

Salinity (ppt)

2.07

2.23

2.07

EC (μs/cm)

6170

6720

6890

COD (mg/l)

3600

1720

920

DO (mg/l)

6.138

Nil

Nil

BOD (mg/l)

132

145.2

66

TSS (mg/l)

320

244

104

Oil and Grease (mg/l)

146.8

149.6

112.4

Totalcoliform (MPN/100)

≥2400

≥2400

≥2400

Faecal coliform

≥2400

≥2400

≥2400

E. coli

Present

Present

Present