1,1-Dichloroethylene
Tomah Waterworks
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
14
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 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 7 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-03-05 | 4030126-01 | ND |
| 2014-03-05 | 4030126-03 | ND |
| 2014-03-05 | 4030126-04 | ND |
| 2014-03-05 | 4030126-05 | ND |
| 2016-01-27 | 903030 | ND |
| 2017-03-07 | 17C0301-09 | ND |
| 2017-03-07 | 17C0301-01 | ND |
| 2017-03-07 | 17C0301-05 | ND |
| 2017-03-07 | 17C0301-07 | ND |
| 2017-05-15 | 17E0557-03 | ND |
| 2017-07-26 | 17G1018-01 | ND |
| 2017-10-10 | 17J0334-01 | ND |
| 2018-07-02 | 18G0027-01 | ND |
| 2019-06-10 | 19F0280-01 | ND |