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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Municipal Authority Sunbury

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND20ND
2017ND30ND
2018ND40ND
2019ND20ND

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
2014-09-161436844ND
2015-09-1513323415ND
2016-05-2314322380ND
2016-11-1615291011ND
2017-02-1515717251ND
2017-07-1916482692ND
2017-10-1116945981ND
2018-02-148B15039-03ND
2018-04-188D19042-03ND
2018-07-128G13125-03ND
2018-10-318033399-01ND
2019-04-179D22038-01ND
2019-10-169J18018-01ND