1,1-Dichloroethane
N Walpole Village District/low
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
13
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 |
|---|---|---|---|---|
| 2015 | 2.77 ppb | 1 | 1 | 2.77 ppb |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 1.68 ppb | 9 | 8 | ND - 2.50 ppb |
| 2019 | 2.20 ppb | 3 | 3 | 1.50 ppb - 3.00 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 3 ppb
The EWG Health Guideline of 3 ppb for 1,1-dichloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-01-19 | 111031P | 2.77 ppb |
| 2018-01-09 | 118010501.01 | 1.70 ppb |
| 2018-03-06 | 118030514.01 | 1.90 ppb |
| 2018-04-11 | 118041218.01 | 2.20 ppb |
| 2018-05-08 | 118051007.01 | 1.000 ppb |
| 2018-07-10 | 118070915.01 | 2.50 ppb |
| 2018-07-10 | 118070915.02 | ND |
| 2018-09-05 | 118090432.01 | 1.80 ppb |
| 2018-11-05 | 118110574.01 | 2.40 ppb |
| 2018-11-06 | 118110570.01 | 1.60 ppb |
| 2019-03-04 | 119030357.01 | 3.00 ppb |
| 2019-03-05 | 119030358.01 | 1.50 ppb |
| 2019-04-02 | 119040308.01 | 2.10 ppb |