Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Woodville Public 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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND20ND
2020N/A00N/A
2021N/A00N/A
2022ND10ND
2023ND30ND

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
2019-08-27CA5410025_002_002-201908271214ND
2019-08-27CA5410025_004_004-201908271230ND
2022-01-04CA5410025_004_004-202201040900ND
2023-05-15CA5410025_004_004-202305151328ND
2023-09-19CA5410025_004_004-202309191102ND
2023-11-27CA5410025_004_004-202311271250ND