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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

West Feliciana Consol Wwks District 13

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015N/A00N/A
2016N/A00N/A
2017ND100ND
2018N/A00N/A
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
2014-08-04AD94781ND
2014-08-04AD94780ND
2014-08-04AD94779ND
2014-08-04AD94778ND
2014-08-04AD94777ND
2014-08-04AD94778ND
2014-08-04AD94779ND
2014-08-04AD94780ND
2014-08-04AD94781ND
2014-08-04AD94777ND
2017-07-1135323937001ND
2017-07-1135323937005ND
2017-07-1135323937004ND
2017-07-1135323937003ND
2017-07-1135323937002ND
2017-07-1135323937001ND
2017-07-1135323937005ND
2017-07-1135323937004ND
2017-07-1135323937003ND
2017-07-1135323937002ND