Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Riverwalk Subdivision

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2018-01-22AE09589ND
2018-01-22AE09591ND
2018-01-22AE09581ND
2019-11-25AE90392ND
2019-11-25AE90394ND
2019-11-25AE90408ND
2020-09-03AF26500ND
2020-09-03AF26502ND
2020-09-03AF26506ND
2021-07-26AF63303ND
2021-07-26AF63347ND
2021-07-26AF63345ND
2022-08-24AG10787ND
2022-08-24AG10791ND
2022-08-24AG10799ND
2023-08-03AG51336ND
2023-08-03AG51354ND
2023-08-03AG51356ND