1,1-Dichloroethylene
Union PWS
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
13
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 | 6 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 6 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-08-20 | AC33767 | ND |
| 2014-08-20 | AC33768 | ND |
| 2014-08-20 | AC33769 | ND |
| 2014-09-09 | AC34961 | ND |
| 2014-09-09 | AC34962 | ND |
| 2014-09-09 | AC34963 | ND |
| 2015-10-28 | AC62087 | ND |
| 2017-08-21 | AD04321 | ND |
| 2017-08-21 | AD04317 | ND |
| 2017-08-21 | AD04322 | ND |
| 2017-08-22 | AD04320 | ND |
| 2017-08-22 | AD04318 | ND |
| 2017-08-22 | AD04319 | ND |