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EWG's Tap Water Database — 2019 UPDATE

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Dichlorodifluoromethane

Three Valleys Municipal Water 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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014N/A00N/A
2015ND10ND
2016ND10ND
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2012-08-153761-002-1000ND
2013-08-203761-002-0950ND
2015-12-153761-002-0900ND
2016-12-133761-002-1020ND