Question 1

What is the EPA limit for total trihalomethanes (tthms) in drinking water?

Accepted Answer

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

Question 2

What are the health effects of total trihalomethanes (tthms) in drinking water?

Accepted Answer

TTHMs are the most common disinfection byproducts in chlorinated water and one of the most widespread contaminants in US drinking water. The group includes four compounds: chloroform, bromodichloromethane, dibromochloromethane, and bromofor

Question 3

Where does total trihalomethanes (tthms) in drinking water come from?

Accepted Answer

TTHMs form when chlorine or chloramine disinfectants react with naturally occurring organic matter (leaves, algae, soil particles) in source water. This means TTHMs are an unavoidable byproduct of the disinfection process that keeps water s

Question 4

How do I remove total trihalomethanes (tthms) from my drinking water?

Accepted Answer

Total Trihalomethanes (TTHMs) is effectively removed by: Activated Carbon, Reverse Osmosis, Aeration. Look for NSF-certified filters that explicitly list total trihalomethanes (tthms) reduction.

Total Trihalomethanes (TTHMs) in Drinking Water - EPA MCL,