Question 1

What is the EPA limit for chloroform in drinking water?

Accepted Answer

The EPA Maximum Contaminant Level (MCL) for chloroform is 0.08 ppm. Public water systems must keep chloroform below this level.

Question 2

What are the health effects of chloroform in drinking water?

Accepted Answer

Chloroform is typically the most abundant trihalomethane in chlorinated drinking water, often comprising 50-90% of total TTHMs. The EPA MCL of 80 ppb applies to total TTHMs, not chloroform individually. The IARC classifies chloroform as Gro

Question 3

Where does chloroform in drinking water come from?

Accepted Answer

Chloroform forms almost exclusively through drinking water chlorination. When free chlorine reacts with natural organic matter (humic substances from soil and decaying vegetation), chloroform is the primary trihalomethane produced. The reac

Question 4

How do I remove chloroform from my drinking water?

Accepted Answer

Chloroform is effectively removed by: Activated Carbon, Reverse Osmosis, Aeration. Look for NSF-certified filters that explicitly list chloroform reduction.

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