Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Bethel Ash Water Supply Corporation Douglas Plant

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND20ND
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
2018-07-30Q1830108003ND
2019-03-14Q1911008001ND
2020-06-30Q2025934001ND
2021-08-26Q2123335004ND
2021-12-15Q2135512001ND
2022-03-07Q2207585003ND
2023-07-12Q2327363001ND