1,1-Dichloroethylene
Southwest Ouachita Waterworks Inc.
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
12
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 6 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2020-06-01 | 35553981002 | ND |
| 2020-06-01 | 35553981003 | ND |
| 2020-06-11 | 35556228001 | ND |
| 2020-10-06 | 35583185001 | ND |
| 2020-10-06 | 35583185002 | ND |
| 2020-10-06 | 35583185003 | ND |
| 2023-09-12 | 35827489001 | ND |
| 2023-09-12 | 35827489002 | ND |
| 2023-09-12 | 35827489003 | ND |
| 2023-09-12 | 35827489004 | ND |
| 2023-09-12 | 35827489005 | ND |
| 2023-09-12 | 35827489006 | ND |