Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Mills Road Municipal Utility District

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
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
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
2018-09-13AE40046ND
2018-09-13AE40056ND
2019-09-12AE83276ND
2019-09-12AE83286ND
2020-04-29AF08725ND
2020-08-04AF21850ND
2021-08-11AF65871ND
2021-08-11AF65885ND
2022-02-14AF84618ND
2022-02-14AF84624ND
2023-10-05AG58615ND
2023-10-05AG58619ND