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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Bayou Teche Water Works

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

MORE ABOUT THIS CONTAMINANT

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015N/A00N/A
2016ND60ND
2017ND60ND
2018N/A00N/A
2019ND20ND

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
2014-01-21AD88528ND
2014-01-21AD88527ND
2014-01-21AD88526ND
2014-01-21AD88525ND
2014-01-21AD88526ND
2014-01-21AD88527ND
2014-01-21AD88528ND
2014-01-21AD88525ND
2016-08-0335258250016ND
2016-08-0335258250016ND
2016-12-2135285185004ND
2016-12-2135285185005ND
2016-12-2135285185005ND
2016-12-2135285185004ND
2017-03-2035301790010ND
2017-03-2035301790012ND
2017-03-2035301790011ND
2017-03-2035301790010ND
2017-03-2035301790012ND
2017-03-2035301790011ND
2019-06-2535478325001ND
2019-06-2535478325001ND