1,2,3-Trichloropropane
County Service Area 11
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.
12
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 | 3 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 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 |
|---|---|---|
| 2018-01-19 | CA4100582_001_001-201801191300 | ND |
| 2018-04-13 | CA4100582_001_001-201804131304 | ND |
| 2018-07-09 | CA4100582_001_001-201807090830 | ND |
| 2020-04-30 | CA4100582_004_004-202004301030 | ND |
| 2020-07-28 | CA4100582_004_004-202007281200 | ND |
| 2020-10-08 | CA4100582_004_004-202010080730 | ND |
| 2021-01-05 | CA4100582_004_004-202101051010 | ND |
| 2021-04-13 | CA4100582_004_004-202104130900 | ND |
| 2021-07-08 | CA4100582_001_001-202107080800 | ND |
| 2021-07-08 | CA4100582_004_004-202107080745 | ND |
| 2021-10-12 | CA4100582_004_004-202110121045 | ND |
| 2022-01-19 | CA4100582_004_004-202201191225 | ND |