Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Bellflower Municipal Water System

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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020N/A00N/A
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 Lab ID Result
2018-01-09CA1910018_028_028-201801091100ND
2019-01-16CA1910018_028_028-201901161120ND
2021-01-25CA1910018_028_028-202101251007ND
2022-01-26CA1910018_028_028-202201260937ND
2023-01-26CA1910018_028_028-202301260904ND