Question 1

What is the EPA limit for cadmium in drinking water?

Accepted Answer

The EPA Maximum Contaminant Level (MCL) for cadmium is 0.005 ppm. Public water systems must keep cadmium below this level.

Question 2

What are the health effects of cadmium in drinking water?

Accepted Answer

Cadmium is classified as a Group 1 human carcinogen by IARC. The EPA MCL of 5 ppb reflects the serious health risks from chronic low-level exposure. The primary target organ is the kidney: cadmium accumulates in the renal cortex over decade

Question 3

Where does cadmium in drinking water come from?

Accepted Answer

Cadmium enters drinking water through several pathways. Corrosion of galvanized steel pipes and zinc-coated fittings is the primary household source, as commercial zinc contains cadmium as an impurity. Industrial contamination comes from ba

Question 4

How do I remove cadmium from my drinking water?

Accepted Answer

Cadmium is effectively removed by: Reverse Osmosis, Ion Exchange, Activated Alumina. Look for NSF-certified filters that explicitly list cadmium reduction.

Cadmium in Drinking Water - EPA MCL, Health Effects & Removal