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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Tarrytown Water Supply

NOTE: Tarrytown Water Supply purchases water from New York City System which is required to test for chlorodifluoromethane. Sample information shown below was taken by New York City System.

Chlorodifluoromethane (Freon 22) 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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15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND30ND
2014ND10ND
2015ND30ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

NOTE: Tarrytown Water Supply purchases water from New York City System which is required to test for chlorodifluoromethane. Sample information shown below was taken by New York City System.

Date Lab ID Result
2013-12-10201312110816AMND
2013-12-10201312110609AMND
2013-12-10201312110762AMND
2014-03-11201403120478AMND
2014-03-11201403120608AMND
2014-03-11201403120580AMND
2014-06-24201406250133AMND
2014-06-24201406250381AMND
2014-06-24201406250127AMND
2014-09-23201409240402AMND
2014-09-23201409240447AMND
2014-09-23201409240450AMND
2015-06-25201505020407AMND
2015-09-23201508080112AMND
2015-12-08201511070106AMND