1,2,3-Trichloropropane
Old River 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)
11
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.00526 ppb | 5 | 3 | ND - 0.0140 ppb |
| 2019 | ND | 3 | 0 | ND |
| 2020 | 0.0134 ppb | 5 | 3 | ND - 0.0320 ppb |
| 2021 | 0.0183 ppb | 4 | 3 | ND - 0.0340 ppb |
| 2022 | ND | 4 | 0 | ND |
| 2023 | 0.00847 ppb | 3 | 2 | ND - 0.0190 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 |
|---|---|---|
| 2018-01-15 | CA1500096_001_001-201801151430 | 0.00730 ppb |
| 2018-01-29 | CA1500096_001_001-201801291455 | 0.00500 ppb |
| 2018-04-10 | CA1500096_001_001-201804101525 | ND |
| 2018-07-20 | CA1500096_001_001-201807200915 | ND |
| 2018-10-11 | CA1500096_001_001-201810111525 | 0.0140 ppb |
| 2019-02-15 | CA1500096_001_001-201902151000 | ND |
| 2019-09-17 | CA1500096_001_001-201909171155 | ND |
| 2019-12-31 | CA1500096_001_001-201912310810 | ND |
| 2020-03-10 | CA1500096_001_001-202003101428 | ND |
| 2020-06-05 | CA1500096_001_001-202006050830 | 0.0180 ppb |
| 2020-09-15 | CA1500096_001_001-202009150915 | ND |
| 2020-11-11 | CA1500096_001_001-202011111600 | 0.0170 ppb |
| 2020-12-02 | CA1500096_001_001-202012020911 | 0.0320 ppb |
| 2021-01-20 | CA1500096_001_001-202101201435 | 0.0340 ppb |
| 2021-04-07 | CA1500096_001_001-202104071600 | 0.0120 ppb |
| 2021-07-21 | CA1500096_001_001-202107211610 | ND |
| 2021-10-25 | CA1500096_001_001-202110251537 | 0.0270 ppb |
| 2022-02-18 | CA1500096_001_001-202202180910 | ND |
| 2022-05-23 | CA1500096_001_001-202205231634 | ND |
| 2022-07-04 | CA1500096_001_001-202207041222 | ND |
| 2022-10-12 | CA1500096_001_001-202210121144 | ND |
| 2023-03-30 | CA1500096_001_001-202303301555 | ND |
| 2023-06-26 | CA1500096_001_001-202306261500 | 0.0190 ppb |
| 2023-09-19 | CA1500096_001_001-202309190900 | 0.00640 ppb |