6014

Upstream

1B

Upstream

2

At the dam

3

Around 650 m downstream the dam

5

Around 1 km downstream the dam

6030

Downstream

Cu

µg/L

0.95

1.9

2.6

3.3

4.7

4.9

Pb

µg/L

0.47

0.7

0.8

0.9

1.3

4.2

Zn

µg/L

5.5

21

23

31

35

58