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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Norton Water Department

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

MORE ABOUT THIS CONTAMINANT

 

46

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
2014ND80ND
2015ND80ND
2016ND80ND
2017ND70ND
2018ND80ND
2019ND70ND

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 Result
2014-03-26ND
2014-05-20ND
2014-06-25ND
2014-06-25ND
2014-06-25ND
2014-06-25ND
2014-08-27ND
2014-11-19ND
2015-03-26ND
2015-06-11ND
2015-06-11ND
2015-06-11ND
2015-06-11ND
2015-06-11ND
2015-09-21ND
2015-12-09ND
2016-02-25ND
2016-06-24ND
2016-06-24ND
2016-06-24ND
2016-06-24ND
2016-06-24ND
2016-09-12ND
2016-11-17ND
2017-03-16ND
2017-05-30ND
2017-05-30ND
2017-05-30ND
2017-05-30ND
2017-05-30ND
2017-12-18ND
2018-03-28ND
2018-06-11ND
2018-06-11ND
2018-06-11ND
2018-06-11ND
2018-06-11ND
2018-09-05ND
2018-11-28ND
2019-02-14ND
2019-05-16ND
2019-05-16ND
2019-05-16ND
2019-05-16ND
2019-06-04ND
2019-08-27ND