1,2,3-Trichloropropane
Wini Mutual Water Company
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.
24
Samples
0
Samples exceeding legal limit (MCL)
21
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.0102 ppb | 4 | 4 | 0.00780 ppb - 0.0120 ppb |
| 2019 | 0.00975 ppb | 4 | 3 | ND - 0.0160 ppb |
| 2020 | 0.00960 ppb | 4 | 3 | ND - 0.0190 ppb |
| 2021 | 0.00885 ppb | 4 | 3 | ND - 0.0160 ppb |
| 2022 | 0.00920 ppb | 4 | 4 | 0.00880 ppb - 0.01000 ppb |
| 2023 | 0.00775 ppb | 4 | 4 | 0.00710 ppb - 0.00850 ppb |
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 |
|---|---|---|
| 2018-02-07 | CA1503526_001_001-201802070840 | 0.01000 ppb |
| 2018-05-02 | CA1503526_001_001-201805020815 | 0.0120 ppb |
| 2018-08-08 | CA1503526_001_001-201808080919 | 0.0110 ppb |
| 2018-11-07 | CA1503526_001_001-201811070832 | 0.00780 ppb |
| 2019-02-06 | CA1503526_001_001-201902061006 | 0.0120 ppb |
| 2019-05-08 | CA1503526_001_001-201905080848 | 0.0110 ppb |
| 2019-08-06 | CA1503526_001_001-201908060852 | ND |
| 2019-11-06 | CA1503526_001_001-201911061130 | 0.0160 ppb |
| 2020-02-05 | CA1503526_001_001-202002050920 | 0.00940 ppb |
| 2020-05-06 | CA1503526_001_001-202005060937 | 0.01000 ppb |
| 2020-08-03 | CA1503526_001_001-202008030942 | 0.0190 ppb |
| 2020-11-02 | CA1503526_001_001-202011021453 | ND |
| 2021-02-02 | CA1503526_001_001-202102021007 | 0.0160 ppb |
| 2021-05-05 | CA1503526_001_001-202105050927 | 0.0110 ppb |
| 2021-08-23 | CA1503526_001_001-202108231402 | ND |
| 2021-11-04 | CA1503526_001_001-202111041127 | 0.00840 ppb |
| 2022-02-07 | CA1503526_001_001-202202070832 | 0.00910 ppb |
| 2022-05-02 | CA1503526_001_001-202205021127 | 0.01000 ppb |
| 2022-08-01 | CA1503526_001_001-202208011020 | 0.00890 ppb |
| 2022-11-14 | CA1503526_001_001-202211140933 | 0.00880 ppb |
| 2023-02-14 | CA1503526_001_001-202302140920 | 0.00750 ppb |
| 2023-05-02 | CA1503526_001_001-202305020715 | 0.00790 ppb |
| 2023-08-02 | CA1503526_001_001-202308021215 | 0.00710 ppb |
| 2023-11-06 | CA1503526_001_001-202311061020 | 0.00850 ppb |