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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Granger - Hunter Improvement District

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019ND10ND

ppb = parts per billion

All test results

Date Result
2014-07-09ND
2014-07-09ND
2014-07-09ND
2014-07-09ND
2014-07-09ND
2018-02-26ND
2018-07-30ND
2019-07-23ND