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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Brown Deer Waterworks

NOTE: Brown Deer Waterworks purchases water from Milwaukee Waterworks which is required to test for chlorodifluoromethane. Sample information shown below was taken by Milwaukee Waterworks.

Chlorodifluoromethane (Freon 22) 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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND80ND
2014ND30ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

NOTE: Brown Deer Waterworks purchases water from Milwaukee Waterworks which is required to test for chlorodifluoromethane. Sample information shown below was taken by Milwaukee Waterworks.

Date Lab ID Result
2013-02-112777868ND
2013-02-122778882ND
2013-05-062819869ND
2013-05-062819854ND
2013-08-052869993ND
2013-08-052869981ND
2013-11-042924749ND
2013-11-042924675ND