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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

City of Grand Island

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

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND60ND
2016ND70ND
2017ND90ND
2018ND60ND
2019ND70ND

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
2014-04-08294395ND
2014-04-08294396ND
2014-04-08294397ND
2014-05-19294398ND
2014-05-19294399ND
2014-05-19294400ND
2014-08-25318952ND
2014-08-25318953ND
2014-11-12328541ND
2015-04-07353610ND
2015-04-07353611ND
2015-04-07353612ND
2015-07-20375403ND
2015-07-20375402ND
2015-10-27391676ND
2016-04-12ND
2016-04-12ND
2016-04-12ND
2016-04-26ND
2016-07-05ND
2016-07-05ND
2016-10-25ND
2017-04-18ND
2017-04-18ND
2017-04-19ND
2017-04-25ND
2017-04-25ND
2017-04-25ND
2017-07-18ND
2017-07-18ND
2017-10-31ND
2018-05-30555011ND
2018-05-30555010ND
2018-05-30555009ND
2018-07-24563117ND
2018-07-24563118ND
2018-10-16577076ND
2019-04-01603848ND
2019-04-01603849ND
2019-04-01603850ND
2019-04-29604734ND
2019-07-15623628ND
2019-07-15623627ND
2019-10-21638447ND