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EWG's Tap Water Database — 2019 UPDATE

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cis-1,2-Dichloroethylene

City of Corsicana

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
2012-07-121207408003ND
2012-07-121207408001ND
2013-07-08Q1303383011ND
2013-07-08Q1303383010ND
2014-07-23Q1430464008ND
2014-07-23Q1430464005ND
2015-07-29Q1529448007ND
2015-07-29Q1529448006ND
2016-07-12Q1628094003ND
2016-07-12Q1628094002ND
2017-07-26Q1730737006ND
2017-07-26Q1730737002ND