1,2,3-Trichloropropane
El Dorado Utility 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.
19
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 | N/A | 0 | 0 | N/A |
| 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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2018-05-23 | AE27494 | ND |
| 2018-05-23 | AE27472 | ND |
| 2019-11-07 | AE88917 | ND |
| 2019-11-07 | AE88949 | ND |
| 2020-09-03 | AF26496 | ND |
| 2020-09-03 | AF26498 | ND |
| 2020-09-03 | AF26520 | ND |
| 2020-09-03 | AF26526 | ND |
| 2021-07-28 | AF63803 | ND |
| 2021-07-28 | AF63797 | ND |
| 2021-11-01 | AF75259 | ND |
| 2022-03-25 | AF90742 | ND |
| 2022-03-25 | AF90744 | ND |
| 2022-05-23 | AF98024 | ND |
| 2022-08-23 | AG10530 | ND |
| 2023-06-29 | AG46796 | ND |
| 2023-06-29 | AG46798 | ND |
| 2023-06-29 | AG46824 | ND |
| 2023-06-29 | AG46826 | ND |