1,1-Dichloroethane
Issaquah Water System
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
14
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 | ND | 4 | 0 | ND |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 6 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2013-07-22 | WA97-SE1-13-1307 | ND |
| 2013-07-22 | WA97-SE1-13-1307 | ND |
| 2013-07-22 | WA97-SE1-1301307 | ND |
| 2013-07-22 | WA97-SE1-13-1307 | ND |
| 2015-03-11 | WA97-SE1-15-0464 | ND |
| 2015-03-11 | WA97-SE1-15-0464 | ND |
| 2015-03-11 | WA97-SE1-15-0464 | ND |
| 2015-03-11 | WA97-SE1-15-0464 | ND |
| 2015-09-16 | 44717 | ND |
| 2015-09-16 | 44716 | ND |
| 2018-05-29 | ND | |
| 2018-05-29 | ND | |
| 2019-01-14 | ND | |
| 2019-01-14 | ND |