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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Claflin, City of

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND30ND
2016ND60ND
2017ND20ND
2018ND50ND
2019ND60ND

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
2015-10-13419868ND
2015-10-13419867ND
2015-10-13419866ND
2016-02-08490668ND
2016-02-08490667ND
2016-05-10544823ND
2016-05-10544822ND
2016-08-16604705ND
2016-08-16604703ND
2017-09-25847633ND
2017-09-25847634ND
2018-02-26906999ND
2018-02-26906998ND
2018-10-211064831ND
2018-10-211064830ND
2018-10-211064829ND
2019-02-251126130ND
2019-02-251126129ND
2019-02-251126128ND
2019-04-151138049ND
2019-07-161205463ND
2019-10-151259661ND