1,1-Dichloroethylene
Aqua Pa Bristol
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
23
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 | 3 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-02-02 | AF75113 | ND |
| 2018-02-22 | AF76987 | ND |
| 2019-02-01 | AG07157 | ND |
| 2019-03-07 | AG10696 | ND |
| 2019-04-12 | AG14108 | ND |
| 2020-01-10 | 21483482.00 | ND |
| 2020-04-03 | 22002019.00 | ND |
| 2020-04-09 | 22002040.00 | ND |
| 2020-07-10 | 22586039.00 | ND |
| 2020-10-23 | 23162724.00 | ND |
| 2021-01-15 | 23692353.00 | ND |
| 2021-02-05 | 23869127.00 | ND |
| 2021-05-14 | 24417535.00 | ND |
| 2021-07-09 | 24807875.00 | ND |
| 2021-10-08 | 25383927.00 | ND |
| 2022-01-14 | 25922411.00 | ND |
| 2022-02-03 | 26099339.00 | ND |
| 2022-04-01 | 26443310.00 | ND |
| 2022-04-08 | 26443289.00 | ND |
| 2022-07-08 | 27016776.00 | ND |
| 2022-11-08 | 27804055.00 | ND |
| 2023-01-27 | 28152915.00 | ND |
| 2023-02-16 | 28330626.00 | ND |