Parameters (mg/L)

Oil and grease

1.86 ± 0.0768

Total organic carbon

1.49 ± 0.0472

Phenols

0.002 ± 0.0710

TKN

0.81 ± 0.239

NH₃

10.65 ± 0.297

${\text{NO}}_3^{-}$

2.10 ± 0.250

P

0.08 ± 0.0026

Fluoride

1.97 ± 0.049

Total chlorine residual

0.08 ± 0.0002

Iron

0.07 ± 0.019