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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Warden City Of

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND10ND
2016ND20ND
2017ND20ND
2018ND30ND
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
2014-12-1555831ND
2014-12-1555830ND
2015-11-0967948ND
2016-06-06ND
2016-09-07ND
2017-07-18ND
2017-10-10ND
2018-04-10ND
2018-07-25ND
2018-10-31ND
2019-04-08ND
2019-06-11ND