1,2,3-Trichloropropane
West Harris County Municipal Utility District 10
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.
11
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 | 3 | 0 | ND |
| 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 |
|---|---|---|
| 2014-08-07 | AC62548 | ND |
| 2014-08-07 | AC62576 | ND |
| 2014-08-07 | AC62580 | ND |
| 2015-06-11 | AC95632 | ND |
| 2016-05-13 | AD36821 | ND |
| 2017-02-08 | AD69624 | ND |
| 2017-02-08 | AD69630 | ND |
| 2017-02-08 | AD69654 | ND |
| 2017-02-08 | AD69680 | ND |
| 2018-04-09 | AE21702 | ND |
| 2019-02-20 | AE55059 | ND |