1,1-Dichloroethylene
Conyngham Water Company
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
22
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 | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 5 | 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 |
|---|---|---|
| 2018-04-17 | 7048808001 | ND |
| 2018-04-17 | 7048808002 | ND |
| 2018-04-17 | 7048808003 | ND |
| 2019-03-12 | 1903-156-2 | ND |
| 2019-03-12 | 19030-156-1 | ND |
| 2019-03-12 | 1903-156-1 | ND |
| 2020-03-02 | 21862230.00 | ND |
| 2020-03-02 | 21862210.00 | ND |
| 2020-03-02 | 21862190.00 | ND |
| 2020-03-02 | 21862170.00 | ND |
| 2020-03-02 | 21862150.00 | ND |
| 2021-06-01 | 24454890.00 | ND |
| 2021-06-01 | 24454870.00 | ND |
| 2021-06-01 | 24454910.00 | ND |
| 2022-04-04 | 26478817.00 | ND |
| 2022-04-04 | 26478837.00 | ND |
| 2022-04-04 | 26478857.00 | ND |
| 2023-03-06 | 28536375.00 | ND |
| 2023-03-06 | 28536395.00 | ND |
| 2023-03-06 | 28536415.00 | ND |
| 2023-12-12 | 30259325.00 | ND |
| 2023-12-12 | 30259305.00 | ND |