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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Falls Water Company Inc

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND50ND
2016N/A00N/A
2017ND10ND
2018ND20ND
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 Lab ID Result
2014-09-29VI40928002ND
2015-09-22VI50919701ND
2015-09-22VI50919702ND
2015-09-22VI50919703ND
2015-09-22VI50919704ND
2015-12-03VI51203801ND
2017-07-06VI70704101ND
2018-08-08VI80810801ND
2018-11-14VI81110401ND
2019-03-25VI903167001ND
2019-03-25VI90316701ND
2019-04-01VI90400501ND