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.
15
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 |
|---|---|---|---|---|
| 2014 | ND | 5 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | 0.0167 ppb | 3 | 1 | ND - 0.0500 ppb |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-02-27 | AC45085 | ND |
| 2014-02-27 | AC45105 | ND |
| 2014-05-28 | AC55339 | ND |
| 2014-08-13 | AC63441 | ND |
| 2014-11-20 | AC72687 | ND |
| 2015-01-27 | AC77967 | ND |
| 2015-06-02 | AC94162 | ND |
| 2015-06-02 | AC94208 | ND |
| 2016-03-23 | AD30141 | ND |
| 2017-02-07 | AD69218 | ND |
| 2017-02-07 | AD69296 | ND |
| 2018-03-19 | AE18872 | ND |
| 2018-03-19 | AE18882 | ND |
| 2018-03-19 | AE18916 | 0.0500 ppb |
| 2019-02-04 | AE52698 | ND |