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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Keenesburg, Town 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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND50ND
2016ND40ND
2017ND50ND
2018ND40ND
2019ND30ND

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 Result
2014-03-20ND
2014-03-27ND
2014-05-08ND
2014-09-25ND
2014-10-23ND
2015-01-22ND
2015-02-19ND
2015-04-14ND
2015-07-28ND
2015-10-13ND
2016-01-12ND
2016-04-19ND
2016-07-19ND
2016-10-11ND
2017-01-10ND
2017-02-09ND
2017-04-11ND
2017-07-18ND
2017-10-19ND
2018-01-09ND
2018-04-10ND
2018-07-17ND
2018-10-09ND
2019-01-15ND
2019-04-16ND
2019-10-15ND