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EWG's Tap Water Database — 2019 UPDATE

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trans-1,2-Dichloroethylene

Talbotton

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND40ND
2014ND40ND
2015ND10ND
2016ND40ND
2017N/A00N/A

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
2012-02-21AH53739ND
2012-05-01AH57821ND
2012-07-26AH71440ND
2012-11-19AH84329ND
2013-02-14AH89214ND
2013-05-09AI01068ND
2013-07-29AI07670ND
2013-11-04AI22051ND
2014-01-23AI27097ND
2014-05-05AI39581ND
2014-07-24AI46661ND
2014-11-06AI59253ND
2015-02-19AI65257ND
2016-11-03AJ32706ND
2016-11-03AJ32705ND
2016-11-03AJ32704ND
2016-11-03AJ32703ND