1,2,3-Trichloropropane
Smithwick Mills Community
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.
12
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | 0.370 ppb | 2 | 1 | ND - 0.740 ppb |
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 |
|---|---|---|
| 2014-05-14 | AC54184 | ND |
| 2014-08-15 | AC63705 | ND |
| 2015-05-20 | AC92858 | ND |
| 2015-09-23 | AD08311 | ND |
| 2016-03-14 | AD28572 | ND |
| 2016-08-02 | AD46677 | ND |
| 2017-02-06 | AD68827 | ND |
| 2017-07-26 | AD90835 | ND |
| 2018-05-17 | AE26831 | ND |
| 2018-09-17 | AE40289 | ND |
| 2019-05-30 | AE68674 | 0.740 ppb |
| 2019-07-25 | AE75973 | ND |