1,1-Dichloroethane
West Slope Water District
NOTE: West Slope Water District purchases water from Portland Water Bureau which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Portland Water Bureau.
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | ND | 1 | 0 | ND |
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 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
NOTE: West Slope Water District purchases water from Portland Water Bureau which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Portland Water Bureau.
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-19 | 201403200340AM | ND |
| 2014-06-26 | 201406270434AM | ND |
| 2014-07-08 | 201407090732AM | ND |
| 2014-09-11 | 201409120826AM | ND |
| 2014-12-10 | 201412110612AM | ND |
| 2015-06-17 | 201506180496AM | ND |