1,1-Dichloroethylene
Regional Water Authority
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
64
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 | 10 | 0 | ND |
| 2015 | ND | 11 | 0 | ND |
| 2016 | ND | 10 | 0 | ND |
| 2017 | ND | 12 | 0 | ND |
| 2018 | ND | 10 | 0 | ND |
| 2019 | ND | 11 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-04 | VOC1 200391964 | ND |
| 2014-03-04 | VOC1 200391963 | ND |
| 2014-03-04 | VOC1 200392007 | ND |
| 2014-03-04 | VOC1 200392005 | ND |
| 2014-03-04 | VOC1 200391980 | ND |
| 2014-03-04 | VOC1 200391978 | ND |
| 2014-03-04 | VOC1 200391977 | ND |
| 2014-03-04 | VOC1 200391965 | ND |
| 2014-03-04 | VOC1 200391979 | ND |
| 2014-03-25 | VOC1 200393100 | ND |
| 2015-03-03 | VOC1 200412899 | ND |
| 2015-03-03 | VOC1 200412902 | ND |
| 2015-03-03 | VOC1 200412900 | ND |
| 2015-03-03 | VOC1 200412879 | ND |
| 2015-03-03 | VOC1 200412881 | ND |
| 2015-03-03 | VOC1 200412907 | ND |
| 2015-03-03 | VOC1 200412923 | ND |
| 2015-03-04 | VOC1 200413022 | ND |
| 2015-03-10 | VOC1 200413328 | ND |
| 2015-03-18 | VOC1 200413713 | ND |
| 2015-12-04 | VOC1 200429711 | ND |
| 2016-02-29 | VOC1 200434386 | ND |
| 2016-02-29 | VOC1 200434387 | ND |
| 2016-02-29 | VOC1 200434371 | ND |
| 2016-02-29 | VOC1 200434372 | ND |
| 2016-03-01 | VOC1 200434428 | ND |
| 2016-03-01 | VOC1 200434431 | ND |
| 2016-03-01 | VOC1 200434429 | ND |
| 2016-03-01 | VOC1 200434430 | ND |
| 2016-03-01 | VOC1 200434474 | ND |
| 2016-03-03 | VOC1 200434800 | ND |
| 2017-02-27 | VOC1 200461301 | ND |
| 2017-02-27 | VOC1 200461317 | ND |
| 2017-02-27 | VOC1 200461316 | ND |
| 2017-02-28 | VOC1 200461369 | ND |
| 2017-02-28 | VOC1 200461372 | ND |
| 2017-02-28 | VOC1 200461370 | ND |
| 2017-02-28 | VOC1 200461371 | ND |
| 2017-02-28 | VOC1 200461405 | ND |
| 2017-02-28 | VOC1 200461407 | ND |
| 2017-03-02 | VOC1 200461633 | ND |
| 2017-06-19 | VOC1 200469687 | ND |
| 2017-06-19 | VOC1 200469688 | ND |
| 2018-03-05 | VOC1 200489156 | ND |
| 2018-03-05 | VOC1 200489128 | ND |
| 2018-03-05 | VOC1 200489129 | ND |
| 2018-03-05 | VOC1 200489150 | ND |
| 2018-03-06 | VOC1 200489298 | ND |
| 2018-03-06 | VOC1 200489296 | ND |
| 2018-03-06 | VOC1 200489295 | ND |
| 2018-08-17 | VOC1 200502735 | ND |
| 2018-11-29 | VOC1 200514106 | ND |
| 2018-11-29 | VOC1 200514121 | ND |
| 2019-03-04 | VOC1 200523150 | ND |
| 2019-03-04 | VOC1 200523151 | ND |
| 2019-03-04 | VOC1 200523175 | ND |
| 2019-03-04 | VOC1 200523176 | ND |
| 2019-03-05 | VOC1 200523251 | ND |
| 2019-03-05 | VOC1 200523254 | ND |
| 2019-03-05 | VOC1 200523252 | ND |
| 2019-03-05 | VOC1 200523253 | ND |
| 2019-03-05 | VOC1 200523284 | ND |
| 2019-03-05 | VOC1 200523286 | ND |
| 2019-05-08 | VOC1 200531298 | ND |