1,2,3-Trichloropropane
California Water Service Company Las Lomas
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 |
|---|---|---|---|---|
| 2018 | ND | 9 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 3 | 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 |
|---|---|---|
| 2018-03-05 | CA2710013_004_004-201803050940 | ND |
| 2018-03-05 | CA2710013_003_003-201803051019 | ND |
| 2018-04-26 | CA2710013_003_003-201804261529 | ND |
| 2018-04-26 | CA2710013_004_004-201804261547 | ND |
| 2018-08-16 | CA2710013_004_004-201808161024 | ND |
| 2018-08-16 | CA2710013_003_003-201808161044 | ND |
| 2018-10-11 | CA2710013_004_004-201810111136 | ND |
| 2018-10-11 | CA2710013_003_003-201810111151 | ND |
| 2018-10-11 | CA2710013_001_001-201810111150 | ND |
| 2019-08-13 | CA2710013_003_003-201908131024 | ND |
| 2019-08-13 | CA2710013_004_004-201908130958 | ND |
| 2020-08-25 | CA2710013_004_004-202008251133 | ND |
| 2020-08-25 | CA2710013_003_003-202008251158 | ND |
| 2021-08-11 | CA2710013_004_004-202108111006 | ND |
| 2021-08-11 | CA2710013_003_003-202108111019 | ND |
| 2021-09-21 | CA2710013_001_001-202109211218 | ND |
| 2022-08-16 | CA2710013_003_003-202208161300 | ND |
| 2022-08-16 | CA2710013_004_004-202208161244 | ND |
| 2023-08-23 | CA2710013_003_003-202308231047 | ND |
| 2023-08-23 | CA2710013_004_004-202308231303 | ND |