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EWG's Tap Water Database — 2019 UPDATE

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Dichlorofluoromethane

Status: No national drinking water standard exists

 

Dichlorofluoromethane (Freon-21) is a refrigerant, solvent and aerosol propellant banned in 2000 under the Montreal Protocol because of its ozone-depleting properties. Freons can cause heart, nervous system and liver damage.

2015-2017:

FOUND

1

states detected

1

utilities detected

45,505

people served

States reporting dichlorofluoromethane in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Minnesota145,505
MORE
LESS

Filtering technologies that reduce dichlorofluoromethane

carbon filter icon

Activated Carbon

reverse osmosis icon

Reverse Osmosis

Utilities with the highest amounts of dichlorofluoromethane, 2015-2017

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Saint Louis ParkSt. Louis Park, MN15 of 330.446 ppb45,505
UtilityLocationTestsAverage levelPeople served
Saint Louis ParkSt. Louis Park, MN15 of 330.446 ppb45,505