Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Glencoe Water Works Board

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2018-02-051802-00039-3ND
2018-02-051802-00039-5ND
2019-03-121903-00245-002ND
2019-03-121903-00245-004ND
2020-02-172002-00306-002ND
2020-02-172002-00306-004ND
2020-02-172002-00306-006ND
2021-02-222102-00357-003ND
2021-02-222102-00357-008ND
2022-02-172202-00348-003ND
2022-02-172202-00348-005ND
2023-01-302301-00501-002ND
2023-01-302301-00501-004ND
2023-01-302301-00501-006ND