1,1-Dichloroethylene
Onalaska Water Supply Corporation
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 | ND | 2 | 0 | ND |
2015 | ND | 6 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 3 | 0 | ND |
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 |
---|---|---|
2014-01-21 | AC39512 | ND |
2014-06-19 | AC57483 | ND |
2015-04-23 | AC89410 | ND |
2015-04-23 | AC89428 | ND |
2015-04-23 | AC89416 | ND |
2015-08-10 | AD03271 | ND |
2015-09-10 | AD06574 | ND |
2015-10-06 | AD09631 | ND |
2016-01-20 | AD18982 | ND |
2016-01-20 | AD18942 | ND |
2016-01-20 | AD18960 | ND |
2016-01-20 | AD18984 | ND |
2017-03-21 | AD76077 | ND |
2017-03-21 | AD76073 | ND |
2017-03-21 | AD76071 | ND |
2018-02-15 | AE14067 | ND |
2018-02-15 | AE14113 | ND |
2018-02-15 | AE14109 | ND |
2018-02-15 | AE14073 | ND |
2019-11-19 | AE89803 | ND |
2019-11-19 | AE89807 | ND |
2019-11-19 | AE89801 | ND |