1,2,3-Trichloropropane
Home Gardens County Water 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.
0
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 | 24 | 0 | ND |
| 2015 | 0.165 ppb | 4 | 1 | ND - 0.660 ppb |
| 2016 | ND | 1 | 0 | ND |
| 2017 | 0.00251 ppb | 21 | 4 | ND - 0.0260 ppb |
| 2018 | 0.00235 ppb | 207 | 37 | ND - 0.0370 ppb |
| 2019 | 0.00208 ppb | 190 | 27 | ND - 0.0270 ppb |
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 |
|---|