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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Golden State Water Company - Lake Marie

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-112706-006-1035ND
2014-10-012706-008-1020ND
2015-01-212706-008-0950ND
2015-06-242706-008-0955ND
2017-02-219590-006-0935ND
2018-02-139590-008-0850ND
2018-02-139590-008-0850ND