1,2,3-Trichloropropane
City Of Modesto, De Hillcrest
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.
21
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 | ND | 2 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 14 | 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 |
|---|---|---|
| 2014-03-05 | 1610-001-0825 | ND |
| 2015-03-04 | 1610-004-0945 | ND |
| 2015-03-04 | 1610-002-0815 | ND |
| 2016-08-24 | 5810-001-1010 | ND |
| 2016-08-24 | 5810-004-1020 | ND |
| 2016-08-24 | 5810-002-0950 | ND |
| 2017-03-01 | 1610-001-0900 | ND |
| 2018-02-22 | 5810-002-0800 | ND |
| 2018-02-22 | 5810-004-0835 | ND |
| 2018-02-22 | 5810-001-0820 | ND |
| 2018-05-14 | 1233-010-0830 | ND |
| 2018-05-17 | 5810-002-0740 | ND |
| 2018-05-17 | 5810-001-0805 | ND |
| 2018-05-17 | 5810-004-0825 | ND |
| 2018-08-22 | 5867-001-0745 | ND |
| 2018-08-22 | 5867-004-0800 | ND |
| 2018-09-12 | 5810-002-0830 | ND |
| 2018-11-07 | 5810-001-0825 | ND |
| 2018-11-07 | 5810-002-0750 | ND |
| 2018-11-07 | 5810-004-0845 | ND |
| 2018-12-27 | 1610-008-1150 | ND |