1,2,3-Trichloropropane
Harris County Water Control and Improvement District 116
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 | 2 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 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 |
|---|---|---|
| 2014-01-22 | AC39821 | ND |
| 2014-01-22 | AC39845 | ND |
| 2015-02-23 | AC81459 | ND |
| 2015-09-21 | AD07808 | ND |
| 2015-12-11 | AD16817 | ND |
| 2016-02-22 | AD24423 | ND |
| 2017-01-30 | AD67561 | ND |
| 2017-01-30 | AD67613 | ND |
| 2018-04-09 | AE21700 | ND |
| 2019-12-13 | AE92435 | ND |