Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Town of Rising Sun

NOTE: Town of Rising Sun purchases water from Chester Water Authority which is required to test for trans-1,2-dichloroethylene. Sample information shown below was taken by Chester 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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

NOTE: Town of Rising Sun purchases water from Chester Water Authority which is required to test for trans-1,2-dichloroethylene. Sample information shown below was taken by Chester Water Authority.

Date Lab ID Result
2018-01-092287664001ND
2018-05-158012319-01ND
2018-07-128020049-01ND
2019-07-103044796001ND
2020-02-0321499826.00ND
2020-05-0122019658.00ND
2020-07-0122412576.00ND
2021-04-0924244247.00ND
2021-07-2824825574.00ND
2022-04-2926461083.00ND
2022-08-0927230370.00ND
2022-11-0827819908.00ND
2023-07-1229299114.00ND
2023-11-0830068042.00ND
2023-11-1530068563.00ND