1,1-Dichloroethylene
Callaway County Public Water Supply District 1
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 7 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 7 | 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 |
---|---|---|
2015-02-17 | AC42758 | ND |
2015-02-17 | AC42757 | ND |
2015-02-17 | AC42752 | ND |
2015-02-17 | AC42753 | ND |
2015-02-17 | AC42756 | ND |
2015-02-17 | AC42754 | ND |
2015-02-17 | AC42755 | ND |
2018-02-21 | AD15052 | ND |
2018-02-21 | AD15053 | ND |
2018-02-21 | AD15054 | ND |
2018-02-21 | AD15055 | ND |
2018-02-21 | AD15056 | ND |
2018-02-21 | AD15057 | ND |
2018-02-21 | AD15058 | ND |