Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Wigwam Mutual Water Company

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND30ND
2021ND10ND
2022ND10ND
2023ND10ND

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 Result
2018-02-07ND
2018-04-03ND
2018-07-10ND
2018-10-09ND
2019-01-02ND
2019-04-02ND
2019-07-02ND
2019-10-01ND
2020-01-07ND
2020-04-06ND
2020-10-05ND
2021-01-25ND
2022-03-07ND
2023-02-07ND