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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Saint Paul Park

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND30ND
2016ND30ND
2017N/A00N/A
2018ND30ND
2019N/A00N/A

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
2015-01-2215A0769-01ND
2015-01-2215A0769-02ND
2015-01-2215A0769-03ND
2016-08-303536460ND
2016-08-303536510ND
2016-08-303536528ND
2018-01-2518A0879-01ND
2018-01-2518A0879-02ND
2018-01-2518A0879-03ND