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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Central IA Water Assn (Waverly)

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-27166065ND
2014-05-27166062ND
2014-05-27166049ND
2014-05-27166063ND
2014-08-05181809ND
2014-11-17203088ND
2014-11-18203089ND
2014-11-18203087ND
2015-02-03212463ND