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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

City of Wilson

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
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
2014-03-0537729_14-06405ND
2014-03-0537729_14-06396ND
2015-02-09ND
2015-02-09ND
2016-02-1037729_16-04369ND
2016-02-1037729_16-04363ND
2017-02-0737729_17-04276ND
2017-02-0737729_17-04283ND
2018-02-0637729_18-04680 ND
2018-02-0637729_18-04688 ND
2019-02-0637729_19-05447 ND
2019-02-0637729_19-05448 ND