Question 1

What is the EPA limit for dichloroacetic acid in drinking water?

Accepted Answer

The EPA Maximum Contaminant Level (MCL) for dichloroacetic acid is 0.06 ppm. Public water systems must keep dichloroacetic acid below this level.

Question 2

What are the health effects of dichloroacetic acid in drinking water?

Accepted Answer

Dichloroacetic acid (DCA) is the most commonly detected individual haloacetic acid and typically makes up the largest fraction of HAA5 in chlorinated water. The EPA MCL of 60 ppb applies to the HAA5 group, of which DCA is a major component.

Question 3

Where does dichloroacetic acid in drinking water come from?

Accepted Answer

DCA forms when chlorine disinfectants react with naturally occurring organic matter (humic and fulvic acids from decaying vegetation) in source water. Surface water systems with high organic content produce the most DCA. The formation incre

Question 4

How do I remove dichloroacetic acid from my drinking water?

Accepted Answer

Dichloroacetic Acid is effectively removed by: Activated Carbon, Reverse Osmosis, Anion Exchange. Look for NSF-certified filters that explicitly list dichloroacetic acid reduction.

Dichloroacetic Acid in Drinking Water - EPA MCL, Health Effects