1,2,3-Trichloropropane
Malaga County Water District
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.
18
Samples
0
Samples exceeding legal limit (MCL)
1
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 12 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | 0.00203 ppb | 3 | 1 | ND - 0.00610 ppb |
| 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 |
|---|---|---|
| 2018-02-21 | CA1010042_007_007-201802211445 | ND |
| 2018-02-21 | CA1010042_012_012-201802211515 | ND |
| 2018-02-21 | CA1010042_006_006-201802211500 | ND |
| 2018-06-15 | CA1010042_007_007-201806150940 | ND |
| 2018-06-15 | CA1010042_006_006-201806150955 | ND |
| 2018-06-15 | CA1010042_012_012-201806151005 | ND |
| 2018-09-17 | CA1010042_007_007-201809171330 | ND |
| 2018-09-17 | CA1010042_006_006-201809171350 | ND |
| 2018-09-17 | CA1010042_012_012-201809171410 | ND |
| 2018-11-16 | CA1010042_012_012-201811161345 | ND |
| 2018-11-16 | CA1010042_006_006-201811161405 | ND |
| 2018-11-16 | CA1010042_007_007-201811161330 | ND |
| 2019-01-29 | CA1010042_006_006-201901291027 | ND |
| 2019-01-29 | CA1010042_007_007-201901291005 | ND |
| 2019-01-29 | CA1010042_012_012-201901291015 | ND |
| 2022-10-13 | CA1010042_007_007-202210130900 | 0.00610 ppb |
| 2022-10-13 | CA1010042_012_012-202210131000 | ND |
| 2022-10-13 | CA1010042_006_006-202210130930 | ND |