Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

City of Idaho Falls

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND10ND
2021ND90ND
2022N/A00N/A
2023N/A00N/A

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
2018-09-18VB18091727001ND
2018-10-10VB18101095001ND
2019-03-25VB19032049001ND
2019-04-16VB19041514001ND
2020-07-08VB20070749001ND
2021-08-02VB21080203008ND
2021-08-02VB21080203005ND
2021-08-02VB21080203002ND
2021-08-02VB21080203003ND
2021-08-02VB21080203001ND
2021-08-02VB21080203007ND
2021-08-02VB21080203009ND
2021-08-02VB21080203004ND
2021-08-02VB21080203006ND