Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Pennsylvania American Water Company Butler

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
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND60ND

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
2018-03-1238836501ND
2019-03-0543248101ND
2020-03-0921939742.00ND
2021-03-0124158498.00ND
2022-03-0726380913.00ND
2023-03-0728618841.00ND
2023-03-1428618962.00ND
2023-03-2728618983.00ND
2023-04-1028809082.00ND
2023-04-2528809103.00ND
2023-05-0929010744.00ND