Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Hills of Oliver Creek

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.

 

12

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
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
2018-11-08Q1844781006ND
2018-11-08Q1844781015ND
2019-05-21Q1927167003ND
2019-05-21Q1927167005ND
2020-11-18Q2045747001ND
2020-11-18Q2045747003ND
2021-06-29Q2116976008ND
2021-06-29Q2116976010ND
2022-11-15Q2234334002ND
2022-11-15Q2234334004ND
2023-07-20Q2328722004ND
2023-07-20Q2328722006ND