cis-1,2-Dichloroethylene
Water District 1 of Johnson County
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 3 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 3 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 70 ppb
The legal limit for cis-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 |
---|---|---|
2014-05-07 | MAY2014-OC-TP1 | ND |
2014-05-07 | MAY2014-OC-TP2 | ND |
2014-05-07 | MAY2014-OC-TP3 | ND |
2016-05-17 | MAY2016--TP2 | ND |
2016-05-17 | MAY2016--TP3 | ND |
2016-06-20 | JUN2016--TP1 | ND |
2017-05-16 | MAY2017--TP2 | ND |
2017-05-16 | MAY2017--TP3 | ND |
2017-05-17 | MAY2018--TP1 524 | ND |
2017-07-12 | JUL2017--TP1 524 | ND |
2018-05-01 | MAY2018--TP2 VOC | ND |
2018-05-01 | MAY2018-TP3-VOC | ND |