Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

City of Overton

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2018-03-13Q1810105002ND
2018-03-13Q1810105003ND
2018-06-11Q1823066006ND
2019-04-15Q1914977001ND
2019-04-15Q1914977004ND
2020-05-14Q2019538003ND
2020-05-14Q2019538005ND
2021-05-03Q2111069004ND
2021-10-21Q2129818002ND
2022-06-27Q2217839002ND
2022-06-27Q2217839004ND
2023-05-25Q2319666002ND
2023-05-25Q2319666004ND