Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Hart Municipal Water System

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.

 

10

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
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
2018-08-02Q1830741002ND
2019-05-30Q1930307002ND
2020-02-27Q2007416001ND
2021-07-15Q2118660004ND
2022-07-14Q2220308003ND
2022-10-12Q2230982001ND
2023-01-19Q2302869001ND
2023-04-05Q2312662001ND
2023-08-08Q2332884001ND
2023-10-05Q2342814001ND