1,2,3-Trichloropropane
Stockton Water Department
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.
14
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 | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 10 | 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 |
|---|---|---|
| 2015-09-25 | L5639790-1 | ND |
| 2015-09-25 | L5639837-1 | ND |
| 2018-07-05 | L7041014-1 | ND |
| 2018-07-05 | L7041054-1 | ND |
| 2019-03-07 | 680-165813-1 | ND |
| 2019-03-07 | 680-165813-3 | ND |
| 2019-03-22 | 680-166790-37 | ND |
| 2019-03-22 | 680-166790-39 | ND |
| 2019-05-17 | 680-169550-27 | ND |
| 2019-05-17 | 680-169550-29 | ND |
| 2019-07-12 | 680-171926-7 | ND |
| 2019-07-12 | 680-171926-9 | ND |
| 2019-10-04 | 680-175376-13 | ND |
| 2019-10-04 | 680-175376-15 | ND |