1,1-Dichloroethylene
Lower Bucks County Joint Municipal Authority
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
11
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 | ND | 2 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 4 | 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 |
|---|---|---|
| 2019-01-31 | AG07699 | ND |
| 2019-04-09 | AG14042 | ND |
| 2020-04-16 | 22003245.00 | ND |
| 2020-08-13 | 22777332.00 | ND |
| 2020-10-08 | 23163635.00 | ND |
| 2021-01-14 | 23693159.00 | ND |
| 2021-04-28 | 24228326.00 | ND |
| 2021-08-26 | 25001555.00 | ND |
| 2021-10-13 | 25384925.00 | ND |
| 2022-02-15 | 26099758.00 | ND |
| 2023-02-15 | 28331145.00 | ND |