1,1-Dichloroethylene
Paw Glen Alsace Div
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
43
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 | 0.271 ppb | 7 | 1 | ND - 1.90 ppb |
| 2020 | 0.158 ppb | 12 | 1 | ND - 1.90 ppb |
| 2021 | 0.400 ppb | 3 | 1 | ND - 1.20 ppb |
| 2022 | 0.633 ppb | 3 | 1 | ND - 1.90 ppb |
| 2023 | 0.380 ppb | 15 | 4 | ND - 1.90 ppb |
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 |
|---|---|---|
| 2018-02-13 | 38538801 | ND |
| 2018-02-13 | 38539501 | ND |
| 2018-02-13 | 38539201 | ND |
| 2019-02-06 | 42853101 | ND |
| 2019-02-06 | 42853301 | ND |
| 2019-02-06 | 42853201 | 1.90 ppb |
| 2019-07-22 | 45717501 | ND |
| 2019-07-22 | 45717601 | ND |
| 2019-07-22 | 45717401 | ND |
| 2019-07-29 | 46133302 | ND |
| 2020-02-10 | 21708729.00 | ND |
| 2020-02-10 | 21708708.00 | ND |
| 2020-02-10 | 21708687.00 | ND |
| 2020-02-10 | 21708774.00 | 1.90 ppb |
| 2020-02-10 | 21708795.00 | ND |
| 2020-02-11 | 21708753.00 | ND |
| 2020-02-11 | 21708624.00 | ND |
| 2020-02-11 | 21708645.00 | ND |
| 2020-02-11 | 21708666.00 | ND |
| 2020-02-17 | 21708840.00 | ND |
| 2020-02-17 | 21708819.00 | ND |
| 2020-02-17 | 21708861.00 | ND |
| 2021-02-10 | 23928446.00 | 1.20 ppb |
| 2021-02-10 | 23928425.00 | ND |
| 2021-02-10 | 23928467.00 | ND |
| 2022-02-10 | 26157288.00 | 1.90 ppb |
| 2022-02-10 | 26157299.00 | ND |
| 2022-02-10 | 26157269.00 | ND |
| 2023-02-09 | 28389634.00 | ND |
| 2023-02-09 | 28389566.00 | ND |
| 2023-02-09 | 28389610.00 | ND |
| 2023-02-09 | 28389545.00 | ND |
| 2023-02-09 | 28389587.00 | ND |
| 2023-02-09 | 28389482.00 | ND |
| 2023-02-09 | 28389461.00 | 1.80 ppb |
| 2023-02-09 | 28389419.00 | ND |
| 2023-02-09 | 28389524.00 | ND |
| 2023-02-09 | 28389660.00 | ND |
| 2023-02-09 | 28389503.00 | ND |
| 2023-02-09 | 28389440.00 | ND |
| 2023-04-10 | 28750974.00 | 1.90 ppb |
| 2023-07-11 | 29348341.00 | 1.000 ppb |
| 2023-10-09 | 29929548.00 | 1.000 ppb |