Toxic Metal

Rainy Season Conc. (mg/L)

Dry Season Conc. (mg/L)

Mean Conc. (mg/L)

Mean Conc. (mg/kg)

ICPR Limit (mg/kg)

As

0.0013

0.00145

0.001375

0.034

1.0

Cd

−0.0018

0.01

0.0041

0.102

0.1

Cr

−0.0015

0.15

0.07425

1.855

30.0

Cu

0.0004

0.017

0.0087

0.217

25.0

Hg

0.0001

−16.645

−8.32245

−207.957

0.5

Ni

0.0304

−0.1

−0.0348

−0.870

50.0

Pb

0.1297

0.175

0.15235

3.807

40.0

Zn

0.0022

2.49625

1.249225

31.215

90.0