1,2,3-Trichloropropane
Golden State Water Company - Los Osos
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.
19
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 | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 16 | 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 |
|---|---|---|
| 2014-07-02 | 2706-008-0850 | ND |
| 2016-05-11 | 2706-019-0718 | ND |
| 2017-09-26 | 5867-019-0842 | ND |
| 2018-01-30 | 9590-001-0900 | ND |
| 2018-01-30 | 9590-010-0800 | ND |
| 2018-02-13 | 4790-003-0920 | ND |
| 2018-03-13 | 9590-019-1015 | ND |
| 2018-04-04 | 9590-010-1140 | ND |
| 2018-04-04 | 9590-019-1205 | ND |
| 2018-04-04 | 9590-003-1155 | ND |
| 2018-04-04 | 9590-001-1345 | ND |
| 2018-07-11 | 1233-010-0850 | ND |
| 2018-07-11 | 1233-003-0830 | ND |
| 2018-07-11 | 1233-001-0740 | ND |
| 2018-07-11 | 1233-019-1010 | ND |
| 2018-10-08 | 9590-003-0740 | ND |
| 2018-10-08 | 9590-010-1100 | ND |
| 2018-10-08 | 9590-001-0830 | ND |
| 2018-10-08 | 9590-019-0730 | ND |