1,2,3-Trichloropropane
Galveston County Water Control and Improvement District 8
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)
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 | 0.0167 ppb | 3 | 1 | ND - 0.0500 ppb |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
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 |
|---|---|---|
| 2018-03-19 | AE18872 | ND |
| 2018-03-19 | AE18882 | ND |
| 2018-03-19 | AE18916 | 0.0500 ppb |
| 2019-02-04 | AE52698 | ND |
| 2020-03-11 | AF02252 | ND |
| 2020-03-11 | AF02320 | ND |
| 2021-06-23 | AF59313 | ND |
| 2021-07-20 | AF62687 | ND |
| 2021-07-20 | AF62707 | ND |
| 2022-02-16 | AF85270 | ND |
| 2023-02-08 | AG28008 | ND |
| 2023-02-08 | AG28068 | ND |