1,1-Dichloroethylene
Shreveport Water System
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 | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-07-14 | AD93520 | ND |
2014-07-14 | AD93520 | ND |
2015-03-23 | 35181011001 | ND |
2015-03-23 | 35181011001 | ND |
2016-04-12 | 35239164006 | ND |
2016-04-12 | 35239164006 | ND |
2017-04-17 | 35307223001 | ND |
2017-04-17 | 35307223001 | ND |
2018-01-08 | 35367518001 | ND |
2018-01-08 | 35367518001 | ND |
2019-02-18 | 35449627001 | ND |
2019-02-18 | 35449627001 | ND |
2019-07-25 | 35485236001 | ND |
2019-07-25 | 35485236001 | ND |