1,1-Dichloroethylene
Palmer Lake, Town of
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
18
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 | 3 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|
2014-01-29 | ND |
2014-06-17 | ND |
2014-09-17 | ND |
2015-01-27 | ND |
2015-05-14 | ND |
2015-08-06 | ND |
2016-02-24 | ND |
2016-05-24 | ND |
2016-08-04 | ND |
2017-02-08 | ND |
2017-06-15 | ND |
2017-08-22 | ND |
2018-03-01 | ND |
2018-06-07 | ND |
2018-08-14 | ND |
2019-03-11 | ND |
2019-05-28 | ND |
2019-07-31 | ND |