1,2,3-Trichloropropane
Castroville Community Services District
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.
15
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 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 12 | 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 |
|---|---|---|
| 2017-04-18 | 5810-004-1420 | ND |
| 2017-04-19 | 5810-003-1000 | ND |
| 2017-04-19 | 5810-005-0945 | ND |
| 2018-01-16 | 9588-004-1500 | ND |
| 2018-01-17 | 9588-003-0905 | ND |
| 2018-01-17 | 9588-005-1130 | ND |
| 2018-04-09 | 9588-003-0835 | ND |
| 2018-04-09 | 9588-005-1120 | ND |
| 2018-04-16 | 9588-004-1430 | ND |
| 2018-07-02 | 9588-003-0840 | ND |
| 2018-07-16 | 9588-004-0925 | ND |
| 2018-07-16 | 9588-005-0900 | ND |
| 2018-10-01 | 9588-003-0945 | ND |
| 2018-10-01 | 9588-004-1005 | ND |
| 2018-10-01 | 9588-005-1025 | ND |