Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Leagueville Water Supply Corporation

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
2020ND20ND
2021ND20ND
2022ND20ND
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
2018-10-15Q1840932002ND
2018-10-15Q1840932004ND
2019-07-15Q1944773004ND
2019-07-15Q1944773006ND
2020-07-08Q2026823005ND
2020-07-08Q2026823007ND
2021-06-17Q2115930002ND
2021-12-15Q2135525002ND
2022-07-19Q2220684007ND
2022-07-19Q2220684009ND
2023-06-22Q2324029006ND
2023-06-22Q2324029016ND
2023-08-29Q2337341001ND
2023-11-20Q2349791001ND