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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

New York American Water - Mill Neck

1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.

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42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND80ND
2017ND120ND
2018ND100ND
2019ND80ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 7 ppb

The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-12-301412J20-002-POCSND
2014-12-301412J20-001-POCSND
2015-06-241506J14-001-POCSND
2015-06-241506J14-002-POCSND
2016-03-101603833-001ND
2016-03-101603833-002ND
2016-06-281606Q93-001ND
2016-06-281606Q93-002ND
2016-09-201609G91-002ND
2016-09-201609G91-001ND
2016-12-13706697002ND
2016-12-13706697001ND
2017-01-04708257002ND
2017-01-04708257001ND
2017-02-217011724002ND
2017-02-217011724001ND
2017-05-027017431001ND
2017-05-027017431002ND
2017-06-067020476001ND
2017-06-067020476002ND
2017-08-017025850002ND
2017-08-017025850001ND
2017-11-077035033002ND
2017-11-077035033001ND
2018-01-097039909001ND
2018-01-097039909002ND
2018-02-077042269001ND
2018-02-077042269002ND
2018-04-037047083001ND
2018-04-037047083002ND
2018-07-107057691001ND
2018-07-107057691002ND
2018-10-027066528001ND
2018-10-027066528002ND
2019-01-087075863001ND
2019-01-087075863002ND
2019-04-027084235001ND
2019-04-027084235002ND
2019-07-097096831002ND
2019-07-097096831001ND
2019-10-2370109464001ND
2019-10-2370109464002ND