1,2,3-Trichloropropane
Madera Co. Sa16 Sumner Hill-water System
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.
8
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 | 5 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-02-02 | CA2000729_001_001-201802020937 | ND |
| 2018-04-18 | CA2000729_001_001-201804180947 | ND |
| 2018-05-22 | CA2000729_001_001-201805221105 | ND |
| 2018-07-11 | CA2000729_001_001-201807110935 | ND |
| 2018-10-03 | CA2000729_001_001-201810031039 | ND |
| 2020-01-30 | CA2000729_001_001-202001301100 | ND |
| 2021-01-20 | CA2000729_001_001-202101201030 | ND |
| 2023-03-22 | CA2000729_001_001-202303221150 | ND |