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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Audubon Water Company

1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.

MORE ABOUT THIS CONTAMINANT

 

138

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND220ND
2015ND240ND
2016ND240ND
2017ND230ND
2018ND230ND
2019ND220ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 70 ppb

The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-131066988001ND
2014-01-131066988002ND
2014-01-131066988003ND
2014-02-271073775001ND
2014-04-021079479001ND
2014-04-021079479002ND
2014-04-021079479004ND
2014-04-021079479003ND
2014-04-232003262001ND
2014-04-232003262002ND
2014-08-282026276001ND
2014-08-282026276002ND
2014-08-282026276003ND
2014-09-092028135001ND
2014-09-092028135002ND
2014-09-092028135003ND
2014-10-062032858001ND
2014-10-062032858002ND
2014-10-062032858003ND
2014-10-062032858004ND
2014-11-062038813001ND
2014-11-062038814001ND
2015-03-1012517669ND
2015-03-1012517732ND
2015-03-1012517711ND
2015-03-1012517690ND
2015-03-1812517753ND
2015-03-1812517774ND
2015-03-1812517795ND
2015-03-2612635365ND
2015-06-0112751828ND
2015-06-0112751849ND
2015-06-0112751870ND
2015-06-0112751891ND
2015-06-0512884473ND
2015-09-1713266496ND
2015-09-1713266517ND
2015-09-1713266538ND
2015-09-1713266559ND
2015-09-2413266580ND
2015-10-1913391314ND
2015-11-1913515894ND
2015-11-1913515915ND
2015-11-1913515936ND
2015-11-1913515957ND
2015-11-1913515978ND
2016-02-0513872265ND
2016-02-0513872286ND
2016-02-0513872307ND
2016-02-0513872328ND
2016-03-1713988310ND
2016-04-0413988341ND
2016-04-0413988362ND
2016-04-0413988383ND
2016-04-0413988404ND
2016-04-1314105392ND
2016-04-1314105413ND
2016-04-2214572535ND
2016-04-2514572556ND
2016-09-1614910414ND
2016-09-1614910435ND
2016-09-1614910456ND
2016-09-1614910477ND
2016-09-2914910796ND
2016-10-0515078209ND
2016-10-0515078230ND
2016-10-0515078251ND
2016-10-0515078272ND
2016-10-0515078293ND
2016-12-0815374252ND
2017-01-1715519928ND
2017-02-1015657972ND
2017-02-1015657993ND
2017-02-1015658014ND
2017-02-1015658035ND
2017-02-1015658056ND
2017-02-2315658077ND
2017-05-0515940545ND
2017-05-0515940566ND
2017-05-0515940587ND
2017-05-0515940608ND
2017-09-1916729569ND
2017-09-1916729590ND
2017-09-1916729611ND
2017-09-1916729632ND
2017-09-2016729653ND
2017-09-2516729674ND
2017-10-0216729794ND
2017-10-0216729815ND
2017-10-0216729836ND
2017-10-0216729857ND
2017-10-0516882749ND
2017-10-1716882912ND
2018-03-022299268001ND
2018-03-022299268002ND
2018-03-022299268003ND
2018-03-022299268004ND
2018-03-282305330001ND
2018-04-012306020001ND
2018-04-022306020002ND
2018-04-022306020003ND
2018-04-022306020004ND
2018-04-022306020005ND
2018-09-172338753001ND
2018-09-172338753002ND
2018-09-172338753003ND
2018-09-172338753004ND
2018-09-172338753005ND
2018-09-182339343001ND
2018-09-202339702001ND
2018-09-212340025001ND
2018-10-012341512001ND
2018-10-012341512002ND
2018-10-012341512003ND
2018-10-012341512004ND
2018-10-242346425001ND
2019-03-223023817002ND
2019-03-223023817001ND
2019-03-223023817005ND
2019-03-223023817003ND
2019-03-223023817006ND
2019-03-223023817004ND
2019-04-103027288001ND
2019-04-103027288003ND
2019-04-103027288005ND
2019-04-103027288007ND
2019-04-243029820001ND
2019-07-253047779001ND
2019-07-253047779003ND
2019-07-253047779005ND
2019-07-253047779007ND
2019-08-053049543001ND
2019-10-163064410005ND
2019-10-163064409001ND
2019-10-163064410001ND
2019-10-163064410003ND
2019-10-163064410007ND
2019-10-223065363001ND