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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Burlington Water Department

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

MORE ABOUT THIS CONTAMINANT

 

41

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.808 ppb124ND - 2.90 ppb
2015ND50ND
2016ND70ND
2017ND60ND
2018ND50ND
2019ND60ND

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
2014-03-04ND
2014-03-04ND
2014-06-05ND
2014-06-05ND
2014-06-17ND
2014-07-012.10 ppb
2014-07-012.50 ppb
2014-07-022.20 ppb
2014-07-022.90 ppb
2014-09-05ND
2014-09-10ND
2014-11-20ND
2015-02-24ND
2015-02-24ND
2015-06-02ND
2015-07-10ND
2015-10-16ND
2016-01-04ND
2016-01-11ND
2016-02-18ND
2016-02-18ND
2016-05-24ND
2016-07-15ND
2016-10-13ND
2017-02-22ND
2017-03-17ND
2017-03-17ND
2017-04-03ND
2017-08-28ND
2017-12-29ND
2018-03-14ND
2018-06-29ND
2018-07-23ND
2018-08-29ND
2018-11-27ND
2019-02-05ND
2019-02-07ND
2019-07-02ND
2019-09-20ND
2019-10-29ND
2019-12-23ND