1,2,3-Trichloropropane
Harris County Water System
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.
10
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 |
|---|---|---|---|---|
| 2014 | ND | 5 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 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 |
|---|---|---|
| 2014-02-19 | 201402200279AM | ND |
| 2014-03-26 | AI36789 | ND |
| 2014-05-06 | 201405070348AM | ND |
| 2014-08-05 | 201408060361AM | ND |
| 2014-11-04 | 201411050247AM | ND |
| 2015-03-03 | AI65822 | ND |
| 2016-03-14 | AJ08120 | ND |
| 2017-05-23 | AJ55995 | ND |
| 2018-03-27 | AJ86462 | ND |
| 2019-05-13 | AK17333 | ND |