Chlorine, Residual

Test for Residual Chlorine in Drinking Water

What is chlorine?

Chlorine is a chemical used in the disinfection of water.  "Chlorinating" a ground water well or a water line is commonly done to kill bacteria.

What are the healths effects of chlorine?

Chlorine can form disinfection byproducts such as trihalomethanes (THMs) and haloacetic acids (HAAs).  Drinking over-chlorinated water can have a wide range of health effects, especially in children.