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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

West Lebanon Township Water Supply

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

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND80ND
2016ND60ND
2017ND60ND
2018ND40ND
2019ND40ND

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
2014-03-141076320003ND
2014-03-141076320001ND
2014-04-302004290003ND
2014-04-302004290001ND
2014-07-302020672003ND
2014-07-302020672001ND
2014-10-222035907001ND
2014-10-222035907002ND
2014-10-222035907003ND
2015-01-2012379800ND
2015-01-2012379776ND
2015-04-2112727577ND
2015-04-2112727553ND
2015-07-1413113640ND
2015-07-1413113616ND
2015-10-2013489307ND
2015-10-2013489331ND
2016-01-2013848646ND
2016-04-1914223932ND
2016-04-1914223956ND
2016-07-1314707366ND
2016-10-1815201380ND
2016-10-1815201356ND
2017-01-1815631132ND
2017-01-1815631088ND
2017-04-2116065408ND
2017-04-2116065384ND
2017-07-1416537935ND
2017-10-1916999192ND
2018-01-172289343001ND
2018-06-251816401-01ND
2018-06-251816401-03ND
2018-10-172345067001ND
2019-01-163011129001ND
2019-04-173028813001ND
2019-07-243047708001ND
2019-10-163064467001ND