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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Fitzgerald

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND10ND
2016N/A00N/A
2017ND40ND
2018ND10ND
2019N/A00N/A

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
2014-05-28AI41564ND
2014-05-28AI41565ND
2014-05-28AI41566ND
2014-05-28AI41567ND
2015-06-09AI79300ND
2017-02-23AJ47039ND
2017-02-23AJ47040ND
2017-02-23AJ47041ND
2017-02-23AJ47042ND
2018-06-18AJ91829ND