Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

City of Alto

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND30ND
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
2018-05-29Q1821302006ND
2018-12-11Q1850897004ND
2019-03-20Q1911720002ND
2019-03-29Q1912916002ND
2019-05-20Q1927027002ND
2020-10-22Q2041198001ND
2020-10-22Q2041198003ND
2021-10-14Q2128845006ND
2021-10-14Q2128845008ND
2022-03-03Q2207391003ND
2022-03-03Q2207391005ND
2023-04-20Q2314880004ND
2023-04-20Q2314880006ND