1,1-Dichloroethylene
Cole County PWSD 1
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
12
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 6 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 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) 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-02-18 | AC42777 | ND |
| 2015-02-18 | AC42779 | ND |
| 2015-02-18 | AC42780 | ND |
| 2015-02-18 | AC42776 | ND |
| 2015-02-18 | AC42778 | ND |
| 2015-02-18 | AC42775 | ND |
| 2018-09-14 | AD33815 | ND |
| 2018-09-14 | AD33816 | ND |
| 2018-09-14 | AD33817 | ND |
| 2018-09-14 | AD33818 | ND |
| 2018-09-14 | AD33819 | ND |
| 2018-09-14 | AD33820 | ND |