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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Purcellville, Town of

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

MORE ABOUT THIS CONTAMINANT

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND80ND
2016ND80ND
2017ND60ND
2018ND80ND
2019ND100ND

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
2014-02-26E131208339ND
2014-06-10E140304185ND
2014-06-26E140304170ND
2014-06-26E140304171ND
2014-08-21E140606715ND
2014-09-25E140606720ND
2014-11-18E140904326ND
2014-11-18E140904332ND
2015-03-26VA010-DCLSND
2015-05-21VA010-DCLSND
2015-06-10VA010-DCLSND
2015-07-30VA010-DCLSND
2015-07-30VA010-DCLSND
2015-08-06VA010-DCLSND
2015-11-17VA010-DCLSND
2015-11-17VA010-DCLSND
2016-03-29E151205960ND
2016-03-29E151205963ND
2016-03-29E151205962ND
2016-06-15E160305751ND
2016-06-20E160305746ND
2016-09-13E160700325ND
2016-11-29E160805475ND
2016-11-29E160805461ND
2017-02-28E170204040ND
2017-05-23E170300436ND
2017-05-23E170300444ND
2017-08-10E170504025ND
2017-11-16E170901981ND
2017-11-16E170901975ND
2018-02-27E180100342ND
2018-05-23E180303850ND
2018-05-30E180303851ND
2018-08-21E180601975ND
2018-08-28E180601971ND
2018-08-28E180601981ND
2018-11-19E180901410ND
2018-12-11E180901404ND
2019-02-19E181104004ND
2019-02-19E181104015ND
2019-02-19E181104016ND
2019-03-21E190302948ND
2019-03-21E190302957ND
2019-05-29E190304839ND
2019-05-29E190304846ND
2019-09-10E190900749ND
2019-11-25E191000255ND
2019-12-04E191000266ND