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EWG's Tap Water Database — 2019 UPDATE

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cis-1,2-Dichloroethylene

Greenville Water System

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
2012ND20ND
2013ND20ND
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND

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
2012-01-03AD00645ND
2012-01-03AD00647ND
2013-01-10AD18209ND
2013-01-10AD18219ND
2014-01-27AD34958ND
2014-01-27AD34962ND
2015-02-03AD51025ND
2015-02-03AD51022ND
2016-01-27AD69775ND
2016-01-27AD69773ND
2017-02-07AD89487ND
2017-07-18AD97741ND