1,1-Dichloroethane
Deforest Waterworks
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
15
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 |
|---|---|---|---|---|
| 2014 | ND | 7 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | 0.130 ppb | 3 | 1 | ND - 0.390 ppb |
| 2017 | 0.400 ppb | 1 | 1 | 0.400 ppb |
| 2018 | 0.370 ppb | 1 | 1 | 0.370 ppb |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-06-24 | 140959001 | ND |
| 2014-06-24 | 140960001 | ND |
| 2014-06-24 | 140958001 | ND |
| 2014-07-23 | 147208001 | ND |
| 2014-08-12 | 150736001 | ND |
| 2014-09-10 | 156235001 | ND |
| 2014-10-15 | 163748001 | ND |
| 2015-02-17 | 179800001 | ND |
| 2015-02-17 | 179800003 | ND |
| 2015-09-15 | 217481001 | ND |
| 2016-04-18 | 249026001 | ND |
| 2016-04-18 | 249027001 | ND |
| 2016-09-26 | 279964001 | 0.390 ppb |
| 2017-08-09 | 1010146 | 0.400 ppb |
| 2018-08-29 | 404007001 | 0.370 ppb |