1,1-Dichloroethylene
St Bernard Parish Waterworks
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 4 | 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 |
---|---|---|
2014-01-21 | AD88468 | ND |
2014-01-21 | AD88468 | ND |
2014-10-03 | AD98042 | ND |
2014-10-03 | AD98042 | ND |
2015-03-30 | 35181567002 | ND |
2015-03-30 | 35181567002 | ND |
2016-02-17 | 35230188004 | ND |
2016-02-17 | 35230188004 | ND |
2017-05-15 | 35312360001 | ND |
2017-05-15 | 35312360001 | ND |
2018-03-06 | 35378295001 | ND |
2018-03-06 | 35378295001 | ND |
2019-02-14 | 35448755001 | ND |
2019-02-14 | 35448755001 | ND |