1,2,3-Trichloropropane
Knights Landing Service 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.
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 | 7 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-02-15 | CA5710004_003_003-201802150910 | ND |
| 2018-05-16 | CA5710004_003_003-201805160810 | ND |
| 2018-05-16 | CA5710004_005_005-201805160705 | ND |
| 2018-08-07 | CA5710004_003_003-201808071055 | ND |
| 2018-08-07 | CA5710004_005_005-201808071025 | ND |
| 2018-11-07 | CA5710004_005_005-201811070755 | ND |
| 2018-11-07 | CA5710004_003_003-201811070850 | ND |
| 2019-01-15 | CA5710004_004_004-201901150920 | ND |
| 2019-06-20 | CA5710004_004_004-201906200905 | ND |
| 2019-08-14 | CA5710004_004_004-201908140840 | ND |
| 2019-11-18 | CA5710004_004_004-201911180955 | ND |
| 2020-02-25 | CA5710004_005_005-202002250955 | ND |
| 2020-02-25 | CA5710004_003_003-202002251100 | ND |
| 2023-12-29 | CA5710004_004_004-202312290730 | ND |
| 2023-12-29 | CA5710004_003_003-202312290752 | ND |