cis-1,2-Dichloroethylene
Maple Bluff 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.
16
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-08-14 | 151477001 | ND |
| 2014-08-14 | 151476001 | ND |
| 2014-09-09 | 155770001 | ND |
| 2014-09-09 | 155773001 | ND |
| 2015-08-04 | 209486001 | ND |
| 2015-08-04 | 209488001 | ND |
| 2016-08-01 | 269169001 | ND |
| 2016-08-01 | 269168001 | ND |
| 2016-08-17 | 272592001 | ND |
| 2016-08-17 | 272591001 | ND |
| 2017-08-01 | 332413001 | ND |
| 2017-08-01 | 332412001 | ND |
| 2018-08-02 | 398373001 | ND |
| 2018-08-02 | 398375001 | ND |
| 2019-08-01 | 460856001 | ND |
| 2019-08-01 | 460857001 | ND |