1,1-Dichloroethylene
Lake Mills Waterworks
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
9
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 | 3 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 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 |
---|---|---|
2014-09-10 | 818273 | ND |
2014-09-10 | 818275 | ND |
2014-10-13 | 825297 | ND |
2015-04-15 | 854564 | ND |
2016-02-03 | 903943 | ND |
2017-03-08 | 976729 | ND |
2017-03-08 | 976726 | ND |
2018-04-18 | 1050871 | ND |
2019-04-29 | 1118284 | ND |