Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Aqua Pa West Chester

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND40ND
2020ND30ND
2021ND30ND
2022ND30ND
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-01-29AF74444ND
2018-02-22AF77012ND
2018-03-22AF78070ND
2019-03-06AG10280ND
2019-03-06AG10262ND
2019-03-06AG10272ND
2019-03-07AG10725ND
2020-03-1021839017.00ND
2020-03-1121838996.00ND
2020-04-0222014452.00ND
2021-02-1023881855.00ND
2021-02-1023881876.00ND
2021-02-1023881897.00ND
2022-01-2825934687.00ND
2022-02-2426110775.00ND
2022-03-2826280752.00ND
2023-03-2328514064.00ND
2023-03-2828514085.00ND