Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Brodhead Creek Reg Water Authority

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
2018ND10ND
2019ND10ND
2020ND20ND
2021ND20ND
2022ND40ND
2023ND30ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 60 ppb

The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL): 100 ppb

The legal limit for trans-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
2018-04-111808781-01ND
2019-04-10T9D0594-01ND
2020-04-1322045737.00ND
2020-04-1522045650.00ND
2021-04-0724269245.00ND
2021-11-0125608118.00ND
2022-02-2326137305.00ND
2022-04-2526485916.00ND
2022-05-2326672014.00ND
2022-08-2227258333.00ND
2023-03-2928543997.00ND
2023-03-2928544019.00ND
2023-03-2928544041.00ND