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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

NJ American Water - Short Hills

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

 

105

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015ND120ND
2016ND190ND
2017ND200ND
2018ND230ND
2019ND190ND

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
2014-01-2724531901ND
2014-02-0725051401ND
2014-04-1525367601ND
2014-04-1725370201ND
2014-04-2925368101ND
2014-05-0225483001ND
2014-05-2225482801ND
2014-05-2225482901ND
2014-05-2225479801ND
2014-07-1626162901ND
2014-10-0127205301ND
2014-10-2227203401ND
2015-01-1527834101ND
2015-01-3028073501ND
2015-04-1428515901ND
2015-04-2828516401ND
2015-05-0729014501ND
2015-05-0829017501ND
2015-05-0829017601ND
2015-05-1529017701ND
2015-06-0829467101ND
2015-07-1429694001ND
2015-10-0530483901ND
2015-10-2130485801ND
2016-01-0731122301ND
2016-03-0731576701ND
2016-03-1531340701ND
2016-04-0131793801ND
2016-04-1131790701ND
2016-04-1931791701ND
2016-05-0232051701ND
2016-05-0632055201ND
2016-05-0632055301ND
2016-05-0632055401ND
2016-05-1132052701ND
2016-06-0632498601ND
2016-07-2032822501ND
2016-08-0833067801ND
2016-09-0133354301ND
2016-10-0533632701ND
2016-11-1533910301ND
2016-12-0834112401ND
2016-12-1333635901ND
2017-01-2434411501ND
2017-02-1434747201ND
2017-02-2434745801ND
2017-03-2834989501ND
2017-04-2435303401ND
2017-04-2535299601ND
2017-05-0135618401ND
2017-05-0135618501ND
2017-05-0135618601ND
2017-05-0235614501ND
2017-05-0335615501ND
2017-05-2235301101ND
2017-06-0536015201ND
2017-07-0536443401ND
2017-08-0736844201ND
2017-09-1137136301ND
2017-10-0437472201ND
2017-10-1937475401ND
2017-11-1337759001ND
2017-12-0438022201ND
2018-01-0238400601ND
2018-02-0638697901ND
2018-02-0638699801ND
2018-03-0538939801ND
2018-04-0439250601ND
2018-04-1339253801ND
2018-04-1839251701ND
2018-05-0139516301ND
2018-05-1139518601ND
2018-05-1139518701ND
2018-05-1139518801ND
2018-05-1139515401ND
2018-06-0439994301ND
2018-06-1440141001ND
2018-07-0240414001ND
2018-08-0140723901ND
2018-08-0940726301ND
2018-09-0541153101ND
2018-10-0841590601ND
2018-10-0941593301ND
2018-11-0542050301ND
2018-11-0842052601ND
2018-12-0342347701ND
2019-01-0242611201ND
2019-02-2143030201ND
2019-03-0643447401ND
2019-04-0243674301ND
2019-04-0243674401ND
2019-04-0443675801ND
2019-05-0744224501ND
2019-05-0944224701ND
2019-05-1544226601ND
2019-05-1744224601ND
2019-06-1344739301ND
2019-07-0145171501ND
2019-08-1545888801ND
2019-09-1246551901ND
2019-10-1046917701ND
2019-10-2446916601ND
2019-11-2147233201ND
2019-12-0945306901ND
2019-12-1247562801ND