1,1-Dichloroethane
Montmorenci Water District
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
24
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 0.983 ppb | 4 | 4 | 0.750 ppb - 1.27 ppb |
| 2019 | 0.825 ppb | 4 | 4 | 0.520 ppb - 0.990 ppb |
| 2020 | 0.463 ppb | 4 | 3 | ND - 0.690 ppb |
| 2021 | 0.645 ppb | 4 | 4 | 0.520 ppb - 0.770 ppb |
| 2022 | 0.518 ppb | 5 | 4 | ND - 0.790 ppb |
| 2023 | 0.605 ppb | 3 | 3 | 0.510 ppb - 0.675 ppb |
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 |
|---|---|---|
| 2018-02-27 | AE08322 | 0.930 ppb |
| 2018-05-23 | AE12655 | 0.980 ppb |
| 2018-08-22 | AE17063 | 0.750 ppb |
| 2018-11-13 | AE21220 | 1.27 ppb |
| 2019-02-20 | AE26033 | 0.860 ppb |
| 2019-04-30 | AE29543 | 0.930 ppb |
| 2019-08-27 | AE36167 | 0.520 ppb |
| 2019-11-05 | AE39706 | 0.990 ppb |
| 2020-01-14 | AE42850 | 0.580 ppb |
| 2020-04-08 | AE47044 | 0.580 ppb |
| 2020-08-25 | AE53392 | ND |
| 2020-10-07 | AE55472 | 0.690 ppb |
| 2021-02-03 | AE60574 | 0.730 ppb |
| 2021-04-07 | AE63774 | 0.520 ppb |
| 2021-08-25 | AE71041 | 0.560 ppb |
| 2021-11-09 | AE74852 | 0.770 ppb |
| 2022-02-23 | AE79524 | 0.790 ppb |
| 2022-04-07 | AE81832 | 0.510 ppb |
| 2022-04-07 | AE81833 | ND |
| 2022-08-24 | AE88862 | 0.710 ppb |
| 2022-11-02 | AE92454 | 0.580 ppb |
| 2023-02-01 | AE96329 | 0.675 ppb |
| 2023-04-05 | AE99712 | 0.510 ppb |
| 2023-10-04 | AF09676 | 0.630 ppb |