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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Chesterfield County Central Water System

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

MORE ABOUT THIS CONTAMINANT

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND40ND
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
2014-03-27E140307385ND
2014-04-22E140308595ND
2014-04-22E140308573ND
2014-04-22E140308605ND
2014-04-22E140308606ND
2014-08-22E140801006ND
2014-08-22E140801005ND
2014-08-22E140801007ND
2014-08-22E140801008ND
2014-09-25E140801009ND
2015-04-23VA010-DCLSND
2015-04-23VA010-DCLSND
2015-04-23VA010-DCLSND
2015-04-23VA010-DCLSND
2016-04-25E160305672ND
2016-04-25E160305675ND
2016-04-25E160305671ND
2016-04-25E160305682ND
2017-04-19E170304726ND
2017-04-19E170304724ND
2017-04-19E170304741ND
2017-04-20E170304722ND
2018-06-13E180403018ND
2018-06-13E180403021ND
2018-06-13E180403026ND
2018-06-13E180403037ND
2019-05-16E190402830ND
2019-05-16E190402834ND
2019-05-16E190402839ND
2019-05-16E190402846ND