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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Jamestown BPU

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.

 

10

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
2014N/A00N/A
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
2015-02-262015 POC CLAY POND
2015-02-262015POC CASSADAGND
2016-05-04POC16 CASSADAGAND
2016-05-04POCS 2016 CLAYPOND
2017-08-23POC17 CASSADAGAND
2017-08-23POCS17 CLAY PONDND
2018-08-08POCS 18 JTOWN CLND
2018-08-08POCS 18 JTOWN CAND
2019-08-07POCS 19 JTOWN CAND
2019-08-07POCS 19 JTOWN CLND