1,1-Dichloroethylene
Denver Water Board
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 | 30 | 0 | ND |
2015 | ND | 8 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 42 | 0 | ND |
2018 | ND | 20 | 0 | ND |
2019 | ND | 10 | 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 | Result |
---|---|
2014-01-07 | ND |
2014-04-08 | ND |
2014-04-08 | ND |
2014-05-06 | ND |
2014-05-06 | ND |
2014-05-27 | ND |
2014-05-27 | ND |
2014-05-27 | ND |
2014-06-03 | ND |
2014-06-03 | ND |
2014-06-03 | ND |
2014-07-08 | ND |
2014-07-08 | ND |
2014-07-08 | ND |
2014-08-05 | ND |
2014-08-05 | ND |
2014-08-05 | ND |
2014-08-18 | ND |
2014-08-18 | ND |
2014-08-18 | ND |
2014-09-02 | ND |
2014-09-02 | ND |
2014-09-02 | ND |
2014-10-07 | ND |
2014-10-07 | ND |
2014-11-04 | ND |
2014-11-04 | ND |
2014-11-20 | ND |
2014-11-20 | ND |
2014-12-02 | ND |
2015-01-06 | ND |
2015-02-03 | ND |
2015-02-03 | ND |
2015-02-18 | ND |
2015-02-18 | ND |
2015-03-03 | ND |
2015-03-03 | ND |
2015-03-03 | ND |
2016-03-08 | ND |
2016-03-08 | ND |
2016-03-08 | ND |
2017-01-03 | ND |
2017-01-03 | ND |
2017-02-07 | ND |
2017-02-07 | ND |
2017-02-28 | ND |
2017-03-07 | ND |
2017-03-07 | ND |
2017-03-07 | ND |
2017-03-07 | ND |
2017-04-04 | ND |
2017-04-04 | ND |
2017-05-09 | ND |
2017-05-09 | ND |
2017-05-09 | ND |
2017-05-16 | ND |
2017-06-06 | ND |
2017-06-06 | ND |
2017-06-06 | ND |
2017-06-27 | ND |
2017-06-27 | ND |
2017-06-27 | ND |
2017-07-05 | ND |
2017-07-05 | ND |
2017-07-05 | ND |
2017-08-08 | ND |
2017-08-08 | ND |
2017-08-08 | ND |
2017-08-22 | ND |
2017-08-29 | ND |
2017-08-29 | ND |
2017-09-05 | ND |
2017-09-05 | ND |
2017-09-05 | ND |
2017-10-03 | ND |
2017-10-03 | ND |
2017-10-03 | ND |
2017-11-07 | ND |
2017-11-07 | ND |
2017-11-07 | ND |
2017-12-05 | ND |
2017-12-05 | ND |
2017-12-05 | ND |
2018-01-02 | ND |
2018-01-02 | ND |
2018-01-02 | ND |
2018-01-29 | ND |
2018-02-06 | ND |
2018-02-06 | ND |
2018-03-05 | ND |
2018-03-06 | ND |
2018-03-07 | ND |
2018-03-13 | ND |
2018-04-10 | ND |
2018-04-10 | ND |
2018-06-05 | ND |
2018-06-05 | ND |
2018-06-05 | ND |
2018-09-04 | ND |
2018-09-04 | ND |
2018-09-04 | ND |
2018-12-04 | ND |
2018-12-04 | ND |
2019-03-05 | ND |
2019-03-05 | ND |
2019-06-04 | ND |
2019-06-04 | ND |
2019-06-04 | ND |
2019-09-10 | ND |
2019-09-10 | ND |
2019-09-10 | ND |
2019-12-03 | ND |
2019-12-03 | ND |