1,1-Dichloroethylene
Dighton, City of
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
9
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 | 3 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2018-10-09 | 1058178 | ND |
| 2018-10-09 | 1058179 | ND |
| 2018-10-09 | 1058181 | ND |
| 2021-08-16 | 1918201 | ND |
| 2021-10-04 | 1978093 | ND |
| 2021-10-04 | 1978091 | ND |
| 2021-10-04 | 1978090 | ND |
| 2021-10-04 | 1978089 | ND |
| 2022-03-07 | 2210677 | ND |