Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

cis-1,2-Dichloroethylene

Doyon Utilities Jber - Richardson

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
2012ND10ND
2013ND10ND
2014ND30ND
2015ND10ND
2016ND20ND
2017ND40ND

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
2012-01-03VO*2573208ND
2013-01-15VO*2766769ND
2014-01-06VO*2955028ND
2014-01-06VO*2955030ND
2014-01-06VO*2955032ND
2015-01-12VO*3171366ND
2016-03-29VO*3421833ND
2016-04-11VO*3429784ND
2017-01-03VO*3617587ND
2017-01-03VO*3617588ND
2017-01-03VO*3617589ND
2017-01-03VO*3617590ND