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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Mashpee 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.

 

33

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
2014N/A00N/A
2015ND70ND
2016ND70ND
2017ND70ND
2018ND70ND
2019ND50ND

ppb = parts per billion

All test results

Date Result
2015-08-11ND
2015-08-11ND
2015-08-11ND
2015-08-11ND
2015-08-11ND
2015-08-11ND
2015-08-11ND
2016-07-28ND
2016-07-28ND
2016-07-28ND
2016-07-28ND
2016-07-28ND
2016-07-28ND
2016-07-28ND
2017-08-04ND
2017-08-04ND
2017-08-04ND
2017-08-04ND
2017-08-04ND
2017-08-04ND
2017-08-04ND
2018-08-06ND
2018-08-06ND
2018-08-06ND
2018-08-06ND
2018-08-06ND
2018-08-06ND
2018-08-06ND
2019-07-23ND
2019-07-23ND
2019-07-23ND
2019-07-23ND
2019-07-23ND