Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Town of Mount Jackson

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND40ND
2021ND60ND
2022ND30ND
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
2020-02-18E191203823ND
2020-02-18E191203825ND
2020-02-18E191203827ND
2020-10-26E200902932ND
2021-02-08E210102022ND
2021-05-27E210504305ND
2021-07-12E210603100ND
2021-08-30E210804640ND
2021-10-06E210907066ND
2021-10-06E210907067ND
2022-02-08E211203740ND
2022-04-13E220305357ND
2022-07-19E220605191ND
2023-04-12E230302422ND
2023-07-18E230602232ND