1,1-Dichloroethylene
City of Lake Jackson
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
17
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 | 4 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 4 | 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 | Lab ID | Result |
|---|---|---|
| 2015-01-21 | AC77097 | ND |
| 2015-01-21 | AC77067 | ND |
| 2015-01-21 | AC77065 | ND |
| 2015-01-21 | AC77063 | ND |
| 2016-01-28 | AD20710 | ND |
| 2016-01-28 | AD20712 | ND |
| 2016-01-28 | AD20706 | ND |
| 2017-01-04 | AD63003 | ND |
| 2017-01-04 | AD63005 | ND |
| 2017-01-04 | AD62991 | ND |
| 2018-01-22 | AE09553 | ND |
| 2018-01-22 | AE09549 | ND |
| 2018-01-22 | AE09573 | ND |
| 2018-01-22 | AE09551 | ND |
| 2019-01-10 | AE49343 | ND |
| 2019-01-10 | AE49345 | ND |
| 2019-01-10 | AE49347 | ND |