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EWG's Tap Water Database — 2019 UPDATE

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trans-1,2-Dichloroethylene

City of Grand Prairie

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.

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013N/A00N/A
2014ND80ND
2015ND80ND
2016ND80ND
2017ND60ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 60 ppb

The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for trans-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
2012-08-131208543010ND
2014-04-23Q1412991001ND
2014-06-04Q1419331002ND
2014-06-26Q1424023040ND
2014-06-26Q1424023005ND
2014-06-26Q1424023003ND
2014-06-26Q1424023002ND
2014-09-10Q1442991002ND
2014-09-10Q1442991005ND
2015-03-11Q1509064001ND
2015-06-09Q1521042004ND
2015-07-14Q1526936007ND
2015-07-14Q1526936006ND
2015-07-14Q1526936003ND
2015-07-14Q1526936001ND
2015-10-07Q1539391012ND
2015-10-07Q1539391014ND
2016-01-14Q1601729018ND
2016-01-14Q1601729016ND
2016-01-14Q1601729014ND
2016-01-14Q1601729011ND
2016-03-01Q1608611002ND
2016-07-14Q1628712002ND
2016-10-05Q1642114002ND
2016-12-05Q1652555001ND
2017-01-05Q1700632002ND
2017-01-05Q1700632016ND
2017-06-27Q1726535024ND
2017-06-27Q1726535014ND
2017-06-27Q1726535021ND
2017-06-27Q1726535020ND