1,1-Dichloroethylene
Quint-mar Water Authority
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
19
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 | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 9 | 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 |
|---|---|---|
| 2014-02-12 | AA88470 | ND |
| 2014-02-13 | AA88469 | ND |
| 2016-06-14 | AB12489 | ND |
| 2016-06-14 | AB12487 | ND |
| 2016-06-14 | AB12490 | ND |
| 2016-06-14 | AB12488 | ND |
| 2016-06-14 | AB12491 | ND |
| 2016-06-14 | AB12486 | ND |
| 2017-01-26 | AB17481 | ND |
| 2017-01-26 | AB17480 | ND |
| 2019-02-05 | AB32813 | ND |
| 2019-02-05 | AB32818 | ND |
| 2019-02-05 | AB32817 | ND |
| 2019-02-05 | AB32816 | ND |
| 2019-02-05 | AB32815 | ND |
| 2019-02-05 | AB32814 | ND |
| 2019-02-05 | AB32812 | ND |
| 2019-04-17 | AB34290 | ND |
| 2019-04-17 | AB34289 | ND |