1,2,3-Trichloropropane
Hemlock 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.
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 |
|---|---|---|---|---|
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 7 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 1 | 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 |
|---|---|---|
| 2015-06-02 | 113626P | ND |
| 2018-03-09 | CA1910053_002_002-201803090910 | ND |
| 2018-03-09 | CA1910053_001_001-201803090920 | ND |
| 2018-06-27 | CA1910053_002_002-201806270910 | ND |
| 2018-09-06 | CA1910053_002_002-201809060850 | ND |
| 2018-09-06 | CA1910053_001_001-201809060910 | ND |
| 2018-12-05 | CA1910053_002_002-201812050905 | ND |
| 2018-12-05 | CA1910053_001_001-201812050915 | ND |
| 2019-03-05 | CA1910053_001_001-201903050905 | ND |
| 2019-06-05 | CA1910053_001_001-201906050925 | ND |
| 2021-07-07 | CA1910053_002_002-202107071100 | ND |
| 2022-04-07 | CA1910053_001_001-202204071010 | ND |