1,2,3-Trichloropropane
Golden State Water Company (GSWC) - San Dimas
1,2,3-Trichloropropane is a potent carcinogen that contaminates drinking water in agricultural regions where it was historically used as soil fumigant. Click here to read more about carcinogenic VOCs.
26
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 16 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 8 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.0007 ppb
The EWG Health Guideline of 0.0007 ppb for 1,2,3-trichloropropane 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 |
|---|---|---|
| 2015-01-21 | 5A21031-07A | ND |
| 2015-01-21 | 5A21031-01A | ND |
| 2015-01-21 | 5A21031-05A | ND |
| 2015-01-21 | 5A21031-11A | ND |
| 2015-01-21 | 5A21031-03A | ND |
| 2015-01-21 | 5A21031-09A | ND |
| 2015-04-17 | 5D17033-01A | ND |
| 2015-04-17 | 5D17033-03A | ND |
| 2015-07-21 | 5G21057-07A | ND |
| 2015-07-21 | 5G21057-03A | ND |
| 2015-07-21 | 5G21057-01A | ND |
| 2015-07-21 | 5G21057-11A | ND |
| 2015-07-21 | 5G21057-09A | ND |
| 2015-07-21 | 5G21057-05A | ND |
| 2015-10-20 | 5J21034-03A | ND |
| 2015-10-20 | 5J21034-01A | ND |
| 2016-08-15 | 9588-014-0850 | ND |
| 2017-05-23 | 9590-051-1043 | ND |
| 2018-02-15 | 9588-051-1045 | ND |
| 2018-02-15 | 9588-014-1105 | ND |
| 2018-05-16 | 9588-051-0840 | ND |
| 2018-05-16 | 9588-014-0855 | ND |
| 2018-08-20 | 9588-051-0840 | ND |
| 2018-08-20 | 9588-014-0925 | ND |
| 2018-11-28 | 9588-051-0835 | ND |
| 2018-11-28 | 9588-014-0950 | ND |