1,1-Dichloroethylene
Shreveport Water System
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 |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 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 |
| 2020-03-16 | 35538199001 | ND |
| 2020-10-30 | 35588751001 | ND |
| 2020-10-30 | 35588751002 | ND |
| 2020-10-30 | 35588751003 | ND |
| 2020-10-30 | 35588751004 | ND |
| 2021-01-04 | 35602182001 | ND |
| 2022-01-27 | 35693462009 | ND |
| 2023-01-30 | 35776976001 | ND |