1,2,3-Trichloropropane
Golden State Water Company - Cowan Heights
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.
24
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 | 6 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
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 |
|---|---|---|
| 2014-02-19 | 4417-004-0925 | ND |
| 2014-02-19 | 4417-001-0940 | ND |
| 2014-05-20 | 106914Q | ND |
| 2014-08-19 | 108811P | ND |
| 2014-08-19 | 108810P | ND |
| 2014-11-19 | 109646P | ND |
| 2015-02-02 | 4417-001-0830 | ND |
| 2015-02-02 | 4417-004-0850 | ND |
| 2016-01-19 | 4417-001-0835 | ND |
| 2016-01-19 | 4417-004-0850 | ND |
| 2016-06-06 | 4417-004-1110 | ND |
| 2016-06-06 | 4417-001-1100 | ND |
| 2017-01-10 | 4417-004-0940 | ND |
| 2017-01-10 | 4417-001-0925 | ND |
| 2017-11-29 | 4417-004-0830 | ND |
| 2017-11-29 | 4417-001-0820 | ND |
| 2018-01-08 | 4417-004-0905 | ND |
| 2018-01-08 | 4417-001-0930 | ND |
| 2018-07-02 | 4417-004-0950 | ND |
| 2018-07-02 | 4417-001-0940 | ND |
| 2019-03-25 | 4417-004-0840 | ND |
| 2019-03-25 | 4417-001-0855 | ND |
| 2019-05-06 | 4417-001-1155 | ND |
| 2019-05-06 | 4417-004-1205 | ND |