1,1-Dichloroethylene
Swta - Main System
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
35
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 | 6 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 7 | 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 |
|---|---|---|
| 2018-01-09 | 8012152-02 | ND |
| 2018-04-10 | 8042613-02 | ND |
| 2018-04-10 | 8042612-01 | ND |
| 2018-04-10 | 8042612-02 | ND |
| 2018-04-10 | 8042612-03 | ND |
| 2018-04-10 | 8042612-04 | ND |
| 2019-04-23 | 9044997-01 | ND |
| 2019-04-23 | 9044997-02 | ND |
| 2019-04-23 | 9044997-03 | ND |
| 2019-04-23 | 9044997-04 | ND |
| 2019-04-23 | 9044997-05 | ND |
| 2020-04-14 | 22080219.00 | ND |
| 2020-04-14 | 22080282.00 | ND |
| 2020-04-14 | 22080198.00 | ND |
| 2020-04-14 | 22080177.00 | ND |
| 2020-04-14 | 22080156.00 | ND |
| 2020-04-14 | 22080240.00 | ND |
| 2020-04-14 | 22080261.00 | ND |
| 2021-04-06 | 24301752.00 | ND |
| 2021-04-06 | 24301815.00 | ND |
| 2021-04-06 | 24301773.00 | ND |
| 2021-04-06 | 24301794.00 | ND |
| 2021-04-06 | 24301836.00 | ND |
| 2022-05-31 | 26899450.00 | ND |
| 2022-05-31 | 26899513.00 | ND |
| 2022-05-31 | 26899471.00 | ND |
| 2022-05-31 | 26899492.00 | ND |
| 2022-05-31 | 26899534.00 | ND |
| 2023-04-04 | 28761087.00 | ND |
| 2023-04-04 | 28761084.00 | ND |
| 2023-04-04 | 28761089.00 | ND |
| 2023-04-04 | 28761088.00 | ND |
| 2023-04-04 | 28761086.00 | ND |
| 2023-04-04 | 28761085.00 | ND |
| 2023-12-12 | 30296274.00 | ND |