1,2,3-Trichloropropane
Walnut Springs
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 |
|---|---|---|---|---|
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-04-02 | AE20869 | ND |
| 2018-04-02 | AE20875 | ND |
| 2018-04-02 | AE20887 | ND |
| 2018-04-02 | AE20889 | ND |
| 2019-11-07 | AE88913 | ND |
| 2019-11-07 | AE88919 | ND |
| 2021-03-29 | AF48351 | ND |
| 2021-08-05 | AF65081 | ND |
| 2021-08-05 | AF65093 | ND |
| 2021-08-05 | AF65099 | ND |
| 2022-04-07 | AF92453 | ND |
| 2022-10-17 | AG17266 | ND |
| 2023-02-07 | AG27731 | ND |
| 2023-02-07 | AG27737 | ND |
| 2023-05-01 | AG38650 | ND |