1,2,3-Trichloropropane
Harris County Water Control and Improvement District 70
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)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-10-21 | AC70138 | ND |
| 2015-04-29 | AC89850 | ND |
| 2015-04-29 | AC89862 | ND |
| 2015-04-29 | AC89912 | ND |
| 2016-03-30 | AD31206 | ND |
| 2016-03-30 | AD31180 | ND |
| 2016-03-30 | AD31246 | ND |
| 2017-05-05 | AD83124 | ND |
| 2017-05-05 | AD83126 | ND |
| 2018-03-09 | AE17920 | ND |
| 2018-03-09 | AE17890 | ND |
| 2018-03-09 | AE17950 | ND |
| 2019-05-09 | AE65729 | ND |
| 2019-05-09 | AE65723 | ND |
| 2019-05-09 | AE65745 | ND |