1,2,3-Trichloropropane
Talley Water Supply Corporation
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.
20
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 |
|---|---|---|---|---|
| 2013 | ND | 4 | 0 | ND |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2013-05-13 | 101401P | ND |
| 2013-05-13 | 101400P | ND |
| 2013-11-20 | 102705P | ND |
| 2013-11-20 | 102704P | ND |
| 2018-07-25 | Q1829519009 | ND |
| 2018-07-25 | Q1829519015 | ND |
| 2018-07-25 | Q1829519011 | ND |
| 2018-07-25 | Q1829519008 | ND |
| 2019-05-06 | Q1920205003 | ND |
| 2019-05-06 | Q1920205001 | ND |
| 2020-03-16 | Q2010542001 | ND |
| 2020-03-16 | Q2010542003 | ND |
| 2021-12-07 | Q2134174002 | ND |
| 2021-12-07 | Q2134174005 | ND |
| 2021-12-07 | Q2134174008 | ND |
| 2021-12-07 | Q2134174010 | ND |
| 2022-10-31 | Q2232959007 | ND |
| 2022-10-31 | Q2232959009 | ND |
| 2023-09-21 | Q2340992001 | ND |
| 2023-09-21 | Q2340992003 | ND |