Drain/Canal Sym.

Contamination Factor (Cfi) of Heavy Metal Pollution Water

Cd

Co

Cr

Cu

Fe

Li

Mn

Ni

Pb

Zn

DA

1

−0.98

−0.74

−1.00

−1.00

−0.99

−0.96

−0.93

−0.97

−0.96

Polluted

Safe

Safe

Safe

Safe

Safe

Safe

Safe

Safe

Safe

CD

1

−0.98

−0.74

−0.99

−1.00

−0.97

−0.99

−0.93

−0.97

−0.93

Polluted

Safe

Safe

Safe

Safe

Safe

Safe

Safe

Safe

Safe

DD

0.98

−0.98

−0.75

−0.99

−0.95

−0.98

−0.94

−0.93

−0.98

−0.90

Risky

Safe

Safe

Safe

Safe

Safe

Safe

Safe

Safe

Safe

DK

−0.88

−0.98

−0.75

−1.00

−1.00

−0.97

−0.97

−0.93

−1.00

−0.94

Safe

Safe

Safe

Safe

Safe

Safe

Safe

Safe

Safe

Safe

DY

−0.88

−0.98

−0.75

−0.99

−1.00

−0.95

−0.99

−0.97

−0.98

0.95

Safe

Safe

Safe

Safe

Safe

Safe

Safe

Safe

Safe

Risky