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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Aqua Pa Superior Main System

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

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26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015N/A00N/A
2016ND70ND
2017ND80ND
2018ND40ND
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
2014-10-022032470002ND
2014-10-022032470001ND
2014-10-022032470004ND
2014-10-022032470005ND
2014-10-022032470003ND
2016-09-0614913025ND
2016-09-0814912905ND
2016-09-0814912926ND
2016-09-0814912947ND
2016-09-0814912968ND
2016-09-0814912989ND
2016-11-0315230804ND
2017-02-2215660472ND
2017-04-2615942794ND
2017-04-2615942815ND
2017-04-2615942773ND
2017-04-2615942752ND
2017-04-2615942731ND
2017-04-2615942710ND
2017-08-1016571412ND
2018-03-14AF78842ND
2018-05-29AF85267ND
2018-07-31AF91266ND
2018-08-09AF92390ND
2019-08-08AG27413ND
2019-08-08AG27411ND