1,2,3-Trichloropropane
California Water Service - Bear Gulch
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.
16
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 |
|---|---|---|---|---|
| 2013 | ND | 4 | 0 | ND |
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 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 |
|---|---|---|
| 2013-05-07 | 201305080320AM | ND |
| 2013-05-07 | 201305080423AM | ND |
| 2013-08-07 | 201308080274AM | ND |
| 2013-11-04 | 201311050103AM | ND |
| 2014-02-03 | 201402040316AM | ND |
| 2015-02-18 | 201502200425AM | ND |
| 2015-04-08 | 201504090141AM | ND |
| 2015-05-11 | 201505120353AM | ND |
| 2016-02-16 | 5701-002-1015 | ND |
| 2016-02-16 | 5701-907-1155 | ND |
| 2017-02-21 | 5701-002-1343 | ND |
| 2017-02-21 | 5701-907-1329 | ND |
| 2018-02-05 | 5701-002-1212 | ND |
| 2018-02-05 | 5701-907-1216 | ND |
| 2019-02-26 | 5810-907-1013 | ND |
| 2019-04-16 | 5810-002-1226 | ND |