1,1-Dichloroethylene
Paw Blue Mountain Division
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
21
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 | 2 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 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 |
|---|---|---|
| 2018-01-10 | 38160101 | ND |
| 2019-01-09 | 42498201 | ND |
| 2019-07-16 | 45238801 | ND |
| 2020-04-22 | 22086246.00 | ND |
| 2020-04-29 | 22086555.00 | ND |
| 2020-04-29 | 22086576.00 | ND |
| 2020-05-11 | 22278299.00 | ND |
| 2020-05-11 | 22278320.00 | ND |
| 2021-04-12 | 24308445.00 | ND |
| 2021-04-12 | 24308466.00 | ND |
| 2021-07-21 | 24889781.00 | ND |
| 2021-07-21 | 24889802.00 | ND |
| 2022-04-18 | 26522952.00 | ND |
| 2022-04-18 | 26522973.00 | ND |
| 2022-08-03 | 27300371.00 | ND |
| 2022-08-04 | 27300352.00 | ND |
| 2023-04-10 | 28766763.00 | ND |
| 2023-04-10 | 28766744.00 | ND |
| 2023-04-11 | 28766718.00 | ND |
| 2023-04-11 | 28766690.00 | ND |
| 2023-06-07 | 29172432.00 | ND |