1,2,3-Trichloropropane
Vallecitos Water District
NOTE: Vallecitos Water District purchases water from San Diego County Water Authority which is required to test for 1,2,3-trichloropropane. Sample information shown below was taken by San Diego County Water Authority.
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 2 | 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
NOTE: Vallecitos Water District purchases water from San Diego County Water Authority which is required to test for 1,2,3-trichloropropane. Sample information shown below was taken by San Diego County Water Authority.
Date | Lab ID | Result |
---|---|---|
2014-12-29 | 9590-001-1003 | ND |
2015-08-25 | 9590-003-1330 | ND |
2016-11-29 | 9590-003-1303 | ND |
2017-07-05 | 9590-003-1125 | ND |
2018-01-16 | 9590-003-1422 | ND |
2018-09-17 | 1677-003-1212 | ND |
2018-10-09 | 9590-003-1225 | ND |
2019-06-13 | 9590-003-1050 | ND |
2019-09-17 | 9590-003-1212 | ND |