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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Darbonne Ws North

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

MORE ABOUT THIS CONTAMINANT

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015N/A00N/A
2016ND100ND
2017ND20ND
2018N/A00N/A
2019ND100ND

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
2014-12-01AE00107ND
2014-12-01AE00107ND
2016-09-2635268076005ND
2016-09-2635268076004ND
2016-09-2635268076003ND
2016-09-2635268076001ND
2016-09-2635268076002ND
2016-09-2635268076003ND
2016-09-2635268076004ND
2016-09-2635268076005ND
2016-09-2635268076002ND
2016-09-2635268076001ND
2017-11-0635346857001ND
2017-11-0635346857001ND
2019-09-0935496832001ND
2019-09-0935496832005ND
2019-09-0935496832004ND
2019-09-0935496832003ND
2019-09-0935496832002ND
2019-09-0935496832001ND
2019-09-0935496832005ND
2019-09-0935496832004ND
2019-09-0935496832003ND
2019-09-0935496832002ND