Trace/heavy elements

Maximum permissible levels

Chromium

Lead

Mercury

Zinc

Copper

Manganese

0.10

0.10

0.005

15.00

1.50

0.50


Source: WHO (1989) and Holfkes (1988)
Table 8: Maximum permissible levels of trace elements (heavy metals in drinking water (g/l).
Goto home»