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EWG's Tap Water Database — 2019 UPDATE

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cis-1,2-Dichloroethylene

Eden Prairie

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.163 ppb61ND - 0.980 ppb
20130.470 ppb110.470 ppb
2014ND10ND
2015N/A00N/A
20160.575 ppb220.450 ppb - 0.700 ppb
20170.820 ppb110.820 ppb

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
2012-03-1212C0380-01ND
2012-03-1212C0380-02ND
2012-03-1212C0380-03ND
2012-03-1212C0380-04ND
2012-03-1212C0381-01ND
2012-05-0912E0874-010.980 ppb
2013-09-2313I1214-010.470 ppb
2014-05-2314E2784-01ND
2016-05-0434421930.700 ppb
2016-12-1416L0582-010.450 ppb
2017-02-2217B1178-010.820 ppb