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EWG's Tap Water Database — 2021 UPDATE

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trans-1,2-Dichloroethylene

Warminster Municipal Authority

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.

MORE ABOUT THIS CONTAMINANT

 

55

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND180ND
2015ND130ND
2016ND150ND
2017ND10ND
2018ND40ND
2019ND40ND

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
2014-01-071066362002ND
2014-01-071066362001ND
2014-01-071066362017ND
2014-01-071066362016ND
2014-01-071066362015ND
2014-01-071066362014ND
2014-01-071066362013ND
2014-01-071066362012ND
2014-01-071066362011ND
2014-01-071066362010ND
2014-01-071066362009ND
2014-01-071066362007ND
2014-01-071066362006ND
2014-01-071066362005ND
2014-01-071066362004ND
2014-01-071066362003ND
2014-01-171068194001ND
2014-01-271069260001ND
2015-01-0512160912ND
2015-01-0812273825ND
2015-01-0812273804ND
2015-01-0812273678ND
2015-01-0812273783ND
2015-01-0812273762ND
2015-01-0812273741ND
2015-01-0812273699ND
2015-01-0812273657ND
2015-01-0812273636ND
2015-01-0812273615ND
2015-01-0812273594ND
2015-01-0812273720ND
2016-01-1113740433ND
2016-01-1113740517ND
2016-01-1113740496ND
2016-01-1113740391ND
2016-01-1113740475ND
2016-01-1113740538ND
2016-01-1113740454ND
2016-01-1113740412ND
2016-01-1113740370ND
2016-01-1113740349ND
2016-01-1113740328ND
2016-01-1113740307ND
2016-01-1113740286ND
2016-01-1113740559ND
2016-03-0313857823ND
2017-03-2916865865ND
2018-01-032286581002ND
2018-05-028012263-03ND
2018-05-028012263-01ND
2018-05-028012263-02ND
2019-03-293025252001ND
2019-03-293025252003ND
2019-03-293025252005ND
2019-09-043056055001ND