Chlorine (residual) in Treasure Valley drinking water

0 of 0 systems that tested for it in the last 36 months detected it. Chlorine (residual) is a secondary, aesthetic parameter. Certified filters are in the list.

Most larger Treasure Valley systems chlorinate. Taste and odor complaints are the usual reason people buy a carbon filter.

No detections in scope systems.

Limits

Federal limit (MCL)

4 mg/L (4.00ppm)

Some people who use water containing chlorine well in excess of the MRDL could experience irritating effects to their eyes and nose, or stomach discomfort. Chlorine is added to control microbes.EPA, quoted.

Removal methods in the reference list: activated carbon, catalytic carbon. A method name is not a product certification.

Not enough groundwater samples in the region to estimate Chlorine (residual) in private wells. A lab test is the only way to know.