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EWG's Tap Water Database — 2021 UPDATE

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trans-1,2-Dichloroethylene

City of Seal Beach

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

 

19

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
2014ND40ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND40ND
2019ND50ND

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
2014-01-304417-009-0955ND
2014-01-304417-002-0900ND
2014-01-304417-001-0930ND
2014-02-254417-003-0740ND
2015-01-204417-002-0830ND
2015-01-204417-009-0805ND
2016-01-274417-009-0910ND
2016-01-274417-002-0930ND
2017-01-124417-009-0835ND
2017-01-124417-002-0815ND
2018-01-164417-002-1030ND
2018-01-164417-009-1100ND
2018-02-274417-001-0930ND
2018-05-164417-001-1100ND
2019-01-244417-002-0905ND
2019-01-244417-001-1005ND
2019-03-144417-009-1335ND
2019-04-304417-009-1000ND
2019-04-304417-009-1010ND