Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Newtown Artesian Water Company

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND20ND
2020ND50ND
2021ND20ND
2022ND10ND
2023ND20ND

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
2018-07-26L7056979-1ND
2018-07-26L7056979-2ND
2018-07-26L7056979-3ND
2019-06-179008627-01ND
2019-06-179008628-01ND
2020-05-0122195054.00ND
2020-05-0122195075.00ND
2020-05-0122195096.00ND
2020-05-0822195117.00ND
2020-05-0822195138.00ND
2021-04-0524041237.00ND
2021-04-0624041258.00ND
2022-04-0526444749.00ND
2023-04-0328502942.00ND
2023-04-0428681646.00ND