1,1-Dichloroethylene
City of Wilsonville
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
19
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 | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2018-01-10 | 201712040042-V | ND |
| 2018-04-11 | 201803050004-V | ND |
| 2018-07-18 | 201807190944-V | ND |
| 2018-10-10 | 201809030045-V | ND |
| 2019-01-09 | 201812030009-V | ND |
| 2019-04-10 | 201904110241-V | ND |
| 2019-07-10 | 201907110430-V | ND |
| 2019-10-08 | 201910090408-V | ND |
| 2020-01-02 | 202001030119-V | ND |
| 2020-04-15 | 202004160157-V | ND |
| 2020-07-15 | 202007160188-V | ND |
| 2020-10-14 | 202010150105-V | ND |
| 2021-01-06 | 202101070374-V | ND |
| 2021-04-14 | 202104150878-V | ND |
| 2021-07-27 | 202107280247-V | ND |
| 2022-02-02 | 202202030907-V | ND |
| 2022-04-13 | 202204140832-V | ND |
| 2023-01-11 | 380-34174-2-V | ND |
| 2023-04-05 | 380-42711-2-V | ND |