trans-1,2-Dichloroethylene
Pewaukee City Water and Sewer Utility
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 7 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 8 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
---|---|---|
2014-06-11 | 796134 | ND |
2014-06-11 | 796150 | ND |
2014-06-11 | 796141 | ND |
2014-06-11 | 796137 | ND |
2014-06-11 | 796147 | ND |
2014-06-11 | 796144 | ND |
2014-08-12 | 809848 | ND |
2015-02-17 | 844234 | ND |
2015-02-17 | 844235 | ND |
2015-04-14 | 854184 | ND |
2015-07-29 | 874070 | ND |
2015-11-17 | 894556 | ND |
2016-01-26 | 902851 | ND |
2016-01-26 | 902852 | ND |
2016-04-21 | 917371 | ND |
2016-08-09 | 938249 | ND |
2017-03-21 | 978852 | ND |
2017-03-21 | 978837 | ND |
2017-03-21 | 978846 | ND |
2017-03-21 | 978855 | ND |
2017-03-21 | 978849 | ND |
2017-03-21 | 978840 | ND |
2017-03-21 | 978843 | ND |
2017-08-10 | 1010463 | ND |
2018-01-30 | 1039130 | ND |
2019-04-23 | 1117088 | ND |