Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Pennsylvania American Water Company New Castle

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
2018-03-1338838701ND
2019-03-0543249601ND
2020-03-0221958174.00ND
2021-03-0324177537.00ND
2022-03-0326399654.00ND
2023-01-0328286011.00ND
2023-03-1528638097.00ND
2023-03-2928638196.00ND
2023-04-1228830990.00ND
2023-04-2428831151.00ND
2023-05-0829031522.00ND