Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Two 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.

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND60ND
2020ND50ND
2021ND60ND
2022ND60ND
2023ND50ND

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
2018-06-25Q1825251009ND
2018-06-25Q1825251011ND
2018-06-25Q1825251014ND
2018-06-25Q1825251017ND
2018-06-25Q1825251024ND
2018-06-25Q1825251008ND
2019-10-14Q1972459011ND
2019-10-14Q1972459009ND
2019-10-14Q1972459007ND
2019-10-14Q1972459005ND
2019-10-14Q1972459003ND
2019-12-11Q1979771004ND
2020-08-25Q2034116003ND
2020-10-12Q2039772007ND
2020-10-12Q2039772009ND
2020-10-12Q2039772011ND
2020-10-12Q2039772013ND
2021-11-09Q2131341012ND
2021-11-09Q2131341022ND
2021-11-09Q2131341020ND
2021-11-09Q2131341018ND
2021-11-09Q2131341016ND
2021-11-09Q2131341014ND
2022-10-11Q2230663004ND
2022-10-11Q2230663006ND
2022-10-11Q2230663008ND
2022-10-11Q2230663012ND
2022-10-11Q2230663014ND
2022-12-06Q2236335001ND
2023-07-24Q2329218001ND
2023-10-31Q2346526005ND
2023-10-31Q2346526007ND
2023-10-31Q2346526009ND
2023-10-31Q2346526011ND