1,1-Dichloroethylene
Hardin County Water District #2
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 1 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-01-29 | 4012982-01 | ND |
2015-01-21 | 5010570-01 | ND |
2015-02-17 | 5022421-01 | ND |
2015-02-17 | 5022422-01 | ND |
2016-01-20 | 6010776-01 | ND |
2016-01-20 | 6010778-01 | ND |
2017-01-17 | 7011123-01 | ND |
2017-01-17 | 7011124-01 | ND |
2018-01-17 | 8010613-01 | ND |
2018-06-05 | 8061102-01 | ND |
2019-01-16 | 9010910-01 | ND |
2019-01-16 | 9010911-01 | ND |