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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Clifton Park Water Authority

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.

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32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND30ND
20151.000 ppb111.000 ppb
2016ND110ND
2017ND30ND
20180.310 ppb41ND - 1.24 ppb
2019ND100ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-121406541273DICLORND
2014-05-121421644395FREONND
2014-10-20C002981-POCSND
2015-02-23C005541-01-POCS1.000 ppb
2016-02-09160209016-DICHLOND
2016-05-09160509024POCSND
2016-06-08160608087-POCSND
2016-06-08160608084-POCSND
2016-06-08160608088001-POCND
2016-06-08160608095-001-POND
2016-06-08160608089-POCSND
2016-06-08160608090-POCSND
2016-06-08160608092-001-POND
2016-06-08160608094-POCSND
2016-11-07161107036-004-FRND
2017-06-27170627043-05-POCND
2017-06-27170627043-POCSND
2017-10-05C030388-01-POCSND
2018-06-18C036388-POCS1.24 ppb
2018-06-18C036388-02-POCSND
2018-06-18C036389-01-POCSND
2018-09-04C038878-01-POCSND
2019-02-07C042506-01-FREONND
2019-05-01C044327-01-DICHLND
2019-06-11C045464-06-POCSND
2019-06-11C045464-03-POCSND
2019-06-11C045464-02-POCSND
2019-06-11C045464-07-POCSND
2019-06-11C045464-01-POCSND
2019-06-11C045464-04-POCSND
2019-08-01C047016-02-DICHLND
2019-11-19C050054-01-DICHLND