1,1-Dichloroethylene
Assumption Parish Waterworks District 1
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
18
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 8 | 0 | ND |
| 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 |
|---|---|---|
| 2014-02-03 | AD88681 | ND |
| 2014-02-03 | AD88681 | ND |
| 2014-04-14 | AD90510 | ND |
| 2014-04-14 | AD90510 | ND |
| 2014-07-21 | AD93831 | ND |
| 2014-07-21 | AD93831 | ND |
| 2014-10-06 | AD98268 | ND |
| 2014-10-06 | AD98268 | ND |
| 2015-03-31 | 35181766003 | ND |
| 2015-03-31 | 35181766003 | ND |
| 2016-03-15 | 35234393001 | ND |
| 2016-03-15 | 35234393001 | ND |
| 2017-01-31 | 35292293003 | ND |
| 2017-01-31 | 35292293003 | ND |
| 2018-01-25 | 35370415008 | ND |
| 2018-01-25 | 35370415008 | ND |
| 2019-01-29 | 35445085001 | ND |
| 2019-01-29 | 35445085001 | ND |