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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Cape Girardeau County Public Water Supply District 4

Dichlorodifluoromethane (Freon-12) 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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND20ND
2017N/A00N/A
2018ND20ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2016-08-01AC81461ND
2016-08-01AC81460ND
2018-09-27AD33750ND
2018-09-27AD33751ND