1,2,3-Trichloropropane
Castle Rock Municipal Water
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 | 4 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-01-22 | 103794Q | ND |
2014-04-21 | 106619P | ND |
2014-08-04 | 107862P | ND |
2014-10-20 | 109389P | ND |
2015-07-23 | 80144 | ND |
2015-07-23 | 80143 | ND |
2015-07-23 | 80142 | ND |
2015-07-23 | 80141 | ND |
2015-07-28 | 81662 | ND |
2019-12-19 | ND |