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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Upper Eagle Regional WA

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

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND50ND
2016ND30ND
2017ND60ND
2018ND30ND
2019ND30ND

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
2014-02-26ND
2014-02-26ND
2014-02-26ND
2014-03-16ND
2014-04-22ND
2014-06-11ND
2014-08-20ND
2014-10-30ND
2015-05-18ND
2015-05-19ND
2015-06-02ND
2015-06-09ND
2015-07-22ND
2016-08-16ND
2016-08-16ND
2016-08-16ND
2017-05-18ND
2017-05-25ND
2017-06-01ND
2017-06-06ND
2017-06-06ND
2017-06-26ND
2018-08-30ND
2018-08-30ND
2018-08-30ND
2019-11-20ND
2019-11-25ND
2019-12-04ND