1,1-Dichloroethylene
Central Talladega County Water Authority
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
14
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 | 5 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2015-06-03 | 147972-1V | ND |
| 2015-11-05 | 173911052015-1 | ND |
| 2016-03-01 | 173903012016-1 | ND |
| 2016-05-31 | 173905312016-1V | ND |
| 2016-09-06 | 173909062016-2 | ND |
| 2016-09-06 | 1739-090616-VOC- | ND |
| 2016-11-02 | 173911022016-1 | ND |
| 2017-02-21 | 1739-022117-VOC- | ND |
| 2017-05-09 | 1739-050917-VOC- | ND |
| 2017-09-05 | 171784-01VOC | ND |
| 2017-10-25 | 173147-01VOC | ND |
| 2018-10-09 | 183711-01AVOC | ND |
| 2019-10-22 | 196674-02VOC | ND |
| 2019-10-22 | 196674-01VOC | ND |