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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Crystal Clear WSC

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND50ND
2016ND30ND
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
2014-09-04AC65845ND
2015-07-30AD01820ND
2015-07-30AD01810ND
2015-12-07AD15746ND
2015-12-07AD15742ND
2015-12-07AD15736ND
2016-03-16AD29061ND
2016-03-16AD29065ND
2016-06-07AD39628ND
2017-02-07AD69210ND
2017-02-07AD69216ND
2018-02-13AE13586ND
2018-02-13AE13582ND
2018-08-09AE36386ND
2019-01-28AE51626ND
2019-01-28AE51624ND