1,1-Dichloroethylene
Highridge Water Authority
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 | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-02-19 | 14022960-001 | ND |
2014-02-19 | 14022960-002 | ND |
2015-02-18 | 12465606 | ND |
2015-02-18 | 12465626 | ND |
2016-02-18 | 13934824 | ND |
2016-02-18 | 13934845 | ND |
2017-04-05 | 16027018 | ND |
2017-04-05 | 16027041 | ND |
2018-06-13 | 7054911001 | ND |
2018-06-13 | 7054911002 | ND |
2019-06-12 | 7093386001 | ND |
2019-06-12 | 7093386002 | ND |
2019-07-16 | 7097758001 | ND |
2019-07-16 | 7097758002 | ND |