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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Kent County Water Authority

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

MORE ABOUT THIS CONTAMINANT

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND50ND
2016ND40ND
2017ND110ND
2018ND40ND
2019ND40ND

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
2014-03-171401808-04_TO12ND
2014-03-171401808-03_TO12ND
2014-03-171401808-02_TO12ND
2014-03-171401808-05_TO12ND
2014-04-211402378-02_TO12ND
2014-04-211402378-03_TO12ND
2014-04-211402378-04_TO12ND
2014-08-131404415-04_TO12ND
2015-03-101501510-02_TO12ND
2015-03-101501510-01_TO12ND
2015-04-291502029-03_TO12ND
2015-04-291502029-02_TO12ND
2015-09-141504119-04_TO12ND
2016-03-231601576-01_TO12ND
2016-04-191601908-03_TO12ND
2016-04-191601908-01_TO12ND
2016-07-121603230-02_TO12ND
2017-03-201701538-01_TO12ND
2017-04-251701960-01_TO12ND
2017-04-251701960-04_TO12ND
2017-08-281708-18567-002_TND
2017-08-281708-18573-001_TND
2017-08-281708-18567-003_TND
2017-08-281708-18567-001_TND
2017-08-291708-18660-001_TND
2017-08-291708-18660-003_TND
2017-08-291708-18660-002_TND
2017-09-051704240-04_TO12ND
2018-03-231801470-02_TO12ND
2018-03-231801470-01_TO12ND
2018-04-191801795-01_TO12ND
2018-08-301803927-02_TO12ND
2019-03-281901506-02_TO12ND
2019-03-281901506-01_TO12ND
2019-04-241901794-03_TO12ND
2019-09-101904181-01_TO12ND