Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Windsong 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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND30ND
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
2018-03-22AE19647ND
2019-11-18AE89579ND
2020-12-17AF38046ND
2021-10-26AF74720ND
2022-07-07AG03676ND
2022-07-07AG03678ND
2022-12-21Q2300008001ND
2023-02-23AG30286ND
2023-02-23AG30288ND
2023-04-26AG38217ND
2023-07-24AG49828ND
2023-12-22AG67348ND