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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Kelso-rohwer Water

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
2014ND40ND
2015N/A00N/A
2016N/A00N/A
2017ND10ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-0814100002309ND
2014-05-2014142002008ND
2014-08-2614239002109ND
2014-10-1314289002509ND
2017-06-0517158000709ND
2018-04-1618109009001ND
2019-06-1719170003001ND