1,1-Dichloroethylene
Leigh Wsc-rural
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
13
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 2 | 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 |
|---|---|---|
| 2018-04-24 | Q1816640005 | ND |
| 2019-05-22 | Q1927732002 | ND |
| 2020-03-23 | Q2012181004 | ND |
| 2020-08-25 | Q2034096003 | ND |
| 2020-08-25 | Q2034096009 | ND |
| 2020-10-21 | Q2041052008 | ND |
| 2021-03-05 | Q2105979007 | ND |
| 2021-03-05 | Q2105979009 | ND |
| 2021-05-12 | Q2112290005 | ND |
| 2022-04-27 | Q2212598001 | ND |
| 2022-10-31 | Q2232958002 | ND |
| 2023-08-02 | Q2331452001 | ND |
| 2023-08-02 | Q2331452003 | ND |