1,1-Dichloroethane
San Lorenzo Valley 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.
40
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 | 21 | 0 | ND |
| 2015 | ND | 9 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-01-21 | 201401230103AM | ND |
| 2014-01-21 | 201401230101AM | ND |
| 2014-01-22 | 201401280188AM | ND |
| 2014-01-22 | 201401280185AM | ND |
| 2014-01-27 | 201401290321AM | ND |
| 2014-01-28 | 201401300126AM | ND |
| 2014-01-28 | 201401300128AM | ND |
| 2014-03-19 | 9590-034-1300 | ND |
| 2014-04-23 | 201404250083AM | ND |
| 2014-05-21 | 9590-034-1530 | ND |
| 2014-07-09 | 201407110262AM | ND |
| 2014-07-09 | 201407110260AM | ND |
| 2014-07-15 | 201407170536AM | ND |
| 2014-07-16 | 201407180199AM | ND |
| 2014-07-16 | 201407180197AM | ND |
| 2014-07-16 | 201407180184AM | ND |
| 2014-07-16 | 201407180201AM | ND |
| 2014-08-27 | 9590-034-1140 | ND |
| 2014-09-10 | 9590-025-1100 | ND |
| 2014-10-14 | 201410160335AM | ND |
| 2014-11-18 | 9590-034-1200 | ND |
| 2015-02-10 | 9590-034-1130 | ND |
| 2015-05-20 | 9590-034-1445 | ND |
| 2015-08-05 | 9590-034-1445 | ND |
| 2015-08-05 | 9590-023-1430 | ND |
| 2015-08-05 | 9590-024-1500 | ND |
| 2015-08-19 | 9590-022-1415 | ND |
| 2015-08-19 | 9590-010-1400 | ND |
| 2015-08-19 | 9590-026-1500 | ND |
| 2015-08-19 | 9590-025-1445 | ND |
| 2016-07-14 | 9590-025-1055 | ND |
| 2017-07-11 | 9590-025-0845 | ND |
| 2017-08-02 | 9590-025-0900 | ND |
| 2018-07-05 | 9590-025-1030 | ND |
| 2018-07-05 | 9590-034-0915 | ND |
| 2018-07-05 | 9590-026-1000 | ND |
| 2018-07-18 | 9590-022-1045 | ND |
| 2018-07-18 | 9590-010-1030 | ND |
| 2018-08-14 | 9590-024-0830 | ND |
| 2019-12-12 | 9590-025-0940 | ND |