Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Four Way Special Utility District

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2018-03-08Q1809770011ND
2018-03-08Q1809770013ND
2018-03-08Q1809770015ND
2018-03-08Q1809770010ND
2019-06-04Q1931189005ND
2019-06-04Q1931189007ND
2019-06-04Q1931189009ND
2019-06-04Q1931189011ND
2020-06-17Q2024644004ND
2020-08-11Q2031797007ND
2020-08-11Q2031797009ND
2020-08-11Q2031797011ND
2021-06-02Q2114209004ND
2021-06-02Q2114209010ND
2021-06-02Q2114209008ND
2021-06-02Q2114209006ND
2022-03-07Q2207619008ND
2022-03-07Q2207619010ND
2022-03-07Q2207619012ND
2022-03-07Q2207619014ND
2023-04-24Q2315229004ND
2023-06-05Q2320826020ND
2023-06-05Q2320826022ND
2023-06-05Q2320826024ND