Question 1

What is the EPA limit for arsenic in drinking water?

Accepted Answer

The EPA Maximum Contaminant Level (MCL) for arsenic is 0.01 ppm. Public water systems must keep arsenic below this level.

Question 2

What are the health effects of arsenic in drinking water?

Accepted Answer

Arsenic is classified as a Group 1 human carcinogen by the International Agency for Research on Cancer (IARC). Long-term exposure through drinking water, even at levels below the EPA's 10 ppb MCL, has been linked to skin, bladder, lung, and

Question 3

Where does arsenic in drinking water come from?

Accepted Answer

Arsenic enters drinking water primarily through the natural erosion of geological deposits. It is found in higher concentrations in groundwater from regions with volcanic rock, sulfide mineral deposits, and geothermal activity. The western

Question 4

How do I remove arsenic from my drinking water?

Accepted Answer

Arsenic is effectively removed by: Reverse Osmosis, Anion Exchange, Activated Alumina. Look for NSF-certified filters that explicitly list arsenic reduction.

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