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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Jefferson County W and S District - M

NOTE: Jefferson County W and S District - M purchases water from Toronto Public Water System which is required to test for chlorodifluoromethane. Sample information shown below was taken by Toronto Public Water System.

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.

 

0

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
2013ND30ND
2014ND10ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

NOTE: Jefferson County W and S District - M purchases water from Toronto Public Water System which is required to test for chlorodifluoromethane. Sample information shown below was taken by Toronto Public Water System.

Date Lab ID Result