1,2,3-Trichloropropane
Harris County Water Control and Improvement District 110
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.0200 ppb | 3 | 1 | ND - 0.0600 ppb |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 1 | 0 | ND |
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 |
---|---|---|
2014-08-21 | AC64911 | ND |
2014-08-21 | AC64927 | 0.0600 ppb |
2014-08-21 | AC64929 | ND |
2015-08-06 | AD03004 | ND |
2016-11-16 | AD58317 | ND |
2017-09-20 | AD97110 | ND |
2017-09-20 | AD97114 | ND |
2017-09-20 | AD97166 | ND |
2017-09-20 | AD97164 | ND |
2018-06-19 | AE30796 | ND |
2019-12-02 | AE90816 | ND |