1,2,3-Trichloropropane
Grafton Water 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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 9 | 0 | ND |
2015 | ND | 16 | 0 | ND |
2016 | ND | 9 | 0 | ND |
2017 | ND | 9 | 0 | ND |
2018 | ND | 9 | 0 | ND |
2019 | ND | 12 | 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 | Result |
---|---|
2014-01-29 | ND |
2014-04-07 | ND |
2014-05-12 | ND |
2014-05-12 | ND |
2014-05-12 | ND |
2014-05-12 | ND |
2014-05-12 | ND |
2014-07-15 | ND |
2014-11-03 | ND |
2015-01-21 | ND |
2015-03-16 | ND |
2015-03-16 | ND |
2015-03-16 | ND |
2015-04-14 | ND |
2015-04-14 | ND |
2015-04-14 | ND |
2015-04-14 | ND |
2015-04-14 | ND |
2015-04-27 | ND |
2015-07-14 | ND |
2015-09-22 | ND |
2015-09-22 | ND |
2015-09-22 | ND |
2015-10-21 | ND |
2015-11-09 | ND |
2016-02-02 | ND |
2016-04-14 | ND |
2016-04-14 | ND |
2016-04-14 | ND |
2016-04-14 | ND |
2016-04-14 | ND |
2016-06-09 | ND |
2016-07-20 | ND |
2016-10-07 | ND |
2017-02-22 | ND |
2017-02-22 | ND |
2017-05-03 | ND |
2017-05-03 | ND |
2017-05-03 | ND |
2017-05-31 | ND |
2017-05-31 | ND |
2017-05-31 | ND |
2017-10-17 | ND |
2018-02-14 | ND |
2018-04-19 | ND |
2018-04-19 | ND |
2018-04-19 | ND |
2018-04-19 | ND |
2018-04-19 | ND |
2018-06-27 | ND |
2018-08-02 | ND |
2018-11-06 | ND |
2019-01-16 | ND |
2019-02-26 | ND |
2019-05-08 | ND |
2019-05-08 | ND |
2019-05-08 | ND |
2019-05-20 | ND |
2019-05-28 | ND |
2019-05-28 | ND |
2019-08-06 | ND |
2019-08-20 | ND |
2019-09-04 | ND |
2019-10-22 | ND |