cis-1,2-Dichloroethylene
Elkhorn Waterworks
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 | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 2 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 5 | 0 | ND |
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 |
---|---|---|
2014-09-10 | 816994 | ND |
2014-09-10 | 816993 | ND |
2017-09-20 | 1019684 | ND |
2017-09-20 | 1019680 | ND |
2018-03-21 | 1046561 | ND |
2018-06-20 | 1062798 | ND |
2018-06-20 | 1062801 | ND |
2018-06-27 | 1064399 | ND |
2019-03-13 | 1109563 | ND |
2019-06-19 | 1129508 | ND |
2019-09-18 | 1149589 | ND |
2019-09-18 | 1149591 | ND |
2019-12-18 | 1166313 | ND |