Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Arizona Water Company - Sierra Vista

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
2018ND70ND
2019N/A00N/A
2020N/A00N/A
2021ND70ND
2022N/A00N/A
2023N/A00N/A

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
2018-01-23201801240104VND
2018-01-23201801240105VND
2018-01-23201801240106VND
2018-01-23201801240107VND
2018-01-23201801240108VND
2018-01-23201801240109VND
2018-01-23201801240110VND
2021-02-2321B2677-01ND
2021-02-2321B2677-02ND
2021-02-2321B2677-03ND
2021-02-2321B2677-04ND
2021-02-2321B2677-05ND
2021-02-2321B2677-06ND
2021-02-2321B2677-07ND