1,2,3-Trichloropropane
West San Martin Water Works Inc.
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.
17
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 | 11 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 2 | 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 |
|---|---|---|
| 2018-03-12 | CA4300543_010_010-201803121355 | ND |
| 2018-03-12 | CA4300543_004_004-201803121445 | ND |
| 2018-05-21 | CA4300543_002_002-201805211430 | ND |
| 2018-06-26 | CA4300543_004_004-201806261450 | ND |
| 2018-06-26 | CA4300543_010_010-201806261430 | ND |
| 2018-08-08 | CA4300543_002_002-201808081445 | ND |
| 2018-09-05 | CA4300543_004_004-201809051410 | ND |
| 2018-09-05 | CA4300543_010_010-201809051250 | ND |
| 2018-11-06 | CA4300543_002_002-201811061115 | ND |
| 2018-12-05 | CA4300543_010_010-201812051240 | ND |
| 2018-12-05 | CA4300543_004_004-201812051225 | ND |
| 2019-02-13 | CA4300543_002_002-201902131140 | ND |
| 2019-05-30 | CA4300543_002_002-201905300750 | ND |
| 2019-08-15 | CA4300543_002_002-201908151340 | ND |
| 2021-11-10 | CA4300543_004_004-202111100820 | ND |
| 2021-11-10 | CA4300543_010_010-202111100810 | ND |
| 2022-11-29 | CA4300543_002_002-202211291330 | ND |