1,2,3-Trichloropropane
Alta Sierra Mutual Water Company
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.
13
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 | 12 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 1 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2018-02-05 | CA1500209_002_002-201802051330 | ND |
| 2018-02-05 | CA1500209_001_001-201802051316 | ND |
| 2018-02-05 | CA1500209_003_003-201802051325 | ND |
| 2018-05-09 | CA1500209_003_003-201805091120 | ND |
| 2018-05-09 | CA1500209_002_002-201805091126 | ND |
| 2018-05-09 | CA1500209_001_001-201805091107 | ND |
| 2018-08-15 | CA1500209_001_001-201808151120 | ND |
| 2018-08-15 | CA1500209_003_003-201808151135 | ND |
| 2018-08-15 | CA1500209_002_002-201808151147 | ND |
| 2018-11-14 | CA1500209_002_002-201811141218 | ND |
| 2018-11-14 | CA1500209_003_003-201811141224 | ND |
| 2018-11-14 | CA1500209_001_001-201811141210 | ND |
| 2022-11-29 | CA1500209_006_006-202211291100 | ND |