1,1-Dichloroethylene
Westwood North Water Supply Corporation
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
10
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 | N/A | 0 | 0 | N/A |
2015 | ND | 2 | 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 |
---|---|---|
2015-07-23 | AD00747 | ND |
2015-07-23 | AD00745 | ND |
2016-10-17 | AD53421 | ND |
2016-10-17 | AD53419 | ND |
2017-04-28 | AD81842 | ND |
2017-04-28 | AD81844 | ND |
2018-09-19 | AE41054 | ND |
2018-09-19 | AE41042 | ND |
2019-06-12 | AE70393 | ND |
2019-11-21 | AE90172 | ND |