1,2,3-Trichloropropane
California Water Service Company Oak Hills
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.
28
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 | 11 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 3 | 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 |
|---|---|---|
| 2018-01-22 | CA2710019_003_003-201801220925 | ND |
| 2018-03-05 | CA2710019_008_008-201803051117 | ND |
| 2018-03-21 | CA2710019_001_001-201803211043 | ND |
| 2018-04-23 | CA2710019_003_003-201804230907 | ND |
| 2018-04-27 | CA2710019_001_001-201804271536 | ND |
| 2018-06-20 | CA2710019_008_008-201806200941 | ND |
| 2018-07-30 | CA2710019_008_008-201807301341 | ND |
| 2018-09-25 | CA2710019_003_003-201809251258 | ND |
| 2018-10-11 | CA2710019_008_008-201810111046 | ND |
| 2018-10-11 | CA2710019_001_001-201810111059 | ND |
| 2018-10-11 | CA2710019_003_003-201810111033 | ND |
| 2019-01-22 | CA2710019_003_003-201901220940 | ND |
| 2019-06-19 | CA2710019_008_008-201906191335 | ND |
| 2019-09-12 | CA2710019_003_003-201909121352 | ND |
| 2020-01-24 | CA2710019_003_003-202001241020 | ND |
| 2020-06-18 | CA2710019_008_008-202006180936 | ND |
| 2020-09-29 | CA2710019_003_003-202009290914 | ND |
| 2021-01-14 | CA2710019_003_003-202101141004 | ND |
| 2021-06-29 | CA2710019_001_001-202106291350 | ND |
| 2021-06-29 | CA2710019_008_008-202106291152 | ND |
| 2021-09-14 | CA2710019_003_003-202109140936 | ND |
| 2021-12-15 | CA2710019_008_008-202112150944 | ND |
| 2022-02-15 | CA2710019_003_003-202202150852 | ND |
| 2022-06-22 | CA2710019_008_008-202206221331 | ND |
| 2022-09-01 | CA2710019_003_003-202209011101 | ND |
| 2023-01-04 | CA2710019_003_003-202301041200 | ND |
| 2023-06-26 | CA2710019_008_008-202306261249 | ND |
| 2023-09-21 | CA2710019_003_003-202309210900 | ND |