1,2,3-Trichloropropane
Langham Creek Utility District
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.
21
Samples
0
Samples exceeding legal limit (MCL)
1
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | 0.0150 ppb | 6 | 1 | ND - 0.0900 ppb |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-04-24 | AC51734 | ND |
| 2014-04-24 | AC51730 | ND |
| 2014-07-30 | AC61553 | ND |
| 2014-07-30 | AC61537 | ND |
| 2015-08-11 | AD03608 | ND |
| 2015-08-11 | AD03610 | ND |
| 2016-02-19 | AD24786 | ND |
| 2016-02-19 | AD24790 | ND |
| 2016-05-17 | AD37055 | ND |
| 2016-09-14 | AD49889 | ND |
| 2016-12-05 | AD60692 | ND |
| 2017-02-15 | AD70849 | ND |
| 2017-02-15 | AD70851 | ND |
| 2017-05-11 | AD84015 | 0.0900 ppb |
| 2017-05-11 | AD84005 | ND |
| 2017-05-11 | AD83995 | ND |
| 2017-05-11 | AD84007 | ND |
| 2018-01-22 | AE09537 | ND |
| 2018-01-22 | AE09561 | ND |
| 2019-02-19 | AE54858 | ND |
| 2019-12-03 | AE91055 | ND |