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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Roslyn WD

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46

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
20160.835 ppb660.680 ppb - 1.000 ppb
20170.820 ppb440.740 ppb - 0.920 ppb
20180.0579 ppb141ND - 0.810 ppb
20190.0682 ppb221ND - 1.50 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2016-01-131604L15-0010.860 ppb
2016-05-031605147-0010.770 ppb
2016-06-221606L82-0011.000 ppb
2016-07-191607E94-0020.750 ppb
2016-08-231608L92-0020.950 ppb
2016-09-201609F92-0010.680 ppb
2017-04-197016340004-POC0.810 ppb
2017-04-1970163400040.810 ppb
2017-05-127018516002-POC0.740 ppb
2017-07-207024744002-POCS0.920 ppb
2018-01-117040222002-POCND
2018-02-087042437002ND
2018-03-087044819001ND
2018-03-137045126002ND
2018-05-077050698002ND
2018-05-307053122001ND
2018-06-127054579002ND
2018-06-277056403002ND
2018-07-177058450002ND
2018-07-197058782002-POC0.810 ppb
2018-11-157071210002ND
2018-11-287072146002ND
2018-12-047072741002ND
2018-12-127073713001ND
2019-01-087075818002ND
2019-01-237077366001ND
2019-02-147079548002ND
2019-02-157079807002ND
2019-03-047081159002ND
2019-04-117085552002ND
2019-04-257087227002ND
2019-05-077088362002ND
2019-06-047092008002ND
2019-06-137093546002ND
2019-06-1470937370031.50 ppb
2019-07-117097203001ND
2019-07-257098830002-POCND
2019-08-0670100015002-POCND
2019-08-1470101279002ND
2019-09-1070104226002ND
2019-09-1270104647001ND
2019-09-2470106023002ND
2019-10-0970107824002-POCND
2019-10-1670108611002ND
2019-11-1370111657002ND
2019-11-1470111831002ND