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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Amawalk-shenorock Water District

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

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20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015N/A00N/A
2016ND40ND
2017ND40ND
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
2014-03-10420-75590-3 POCND
2014-03-10420-75590-4 POCND
2014-03-10420-75590-1 POCND
2014-03-10420-75590-2 POCND
2016-03-09420-101678-3 POCND
2016-03-09420-101678-2 POCND
2016-03-09420-101678-1 POCND
2016-03-09420-101678-4 POCND
2017-02-28420-117562-4-POCND
2017-02-28420-117562-2-POCND
2017-02-28420-117562-1-POCND
2017-02-28420-117562-3-POCND
2018-02-12420-132804-1-POCND
2018-02-12420-132804-2-POCND
2018-02-12420-132804-4-POCND
2018-02-12420-132804-3-POCND
2019-02-27420-150071-4 POCND
2019-02-27420-150071-3 POCND
2019-02-27420-150071-2 POCND
2019-02-27420-150071-1 POCND