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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Manchester Twp Water Utility - Western

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND30ND
2016ND10ND
2017ND40ND
2018ND30ND
2019ND10ND

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
2014-05-06340507016.4ND
2014-05-06340507010.4ND
2014-05-06340507012.4ND
2014-05-06340507013.4ND
2014-07-28340728021ND
2014-10-21341021048ND
2015-03-11350312063ND
2015-05-21350522078ND
2015-09-01350901015.2ND
2016-05-18360518018.2ND
2017-04-13370414045ND
2017-06-08370609082.3ND
2017-06-08370609084.3ND
2017-08-03370803042ND
2018-05-17380517168.4ND
2018-05-17380517171.2ND
2018-08-10380810702ND
2019-07-24390724724ND