1,2,3-Trichloropropane
Madison Water Department
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.
19
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 | 8 | 0 | ND |
| 2014 | ND | 4 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 7 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2013-03-18 | 201303190582AM | ND |
| 2013-03-18 | 201303190570AM | ND |
| 2013-03-18 | 201303190558AM | ND |
| 2013-03-18 | 201303190586AM | ND |
| 2013-09-04 | 201309050198AM | ND |
| 2013-09-04 | 201309050254AM | ND |
| 2013-09-04 | 201309050222AM | ND |
| 2013-09-04 | 201309050245AM | ND |
| 2014-09-03 | L5211814-2 | ND |
| 2014-09-03 | L5211814-4 | ND |
| 2014-09-09 | L5240310-2 | ND |
| 2014-09-09 | L5240310-4 | ND |
| 2018-02-13 | JC60783-2 | ND |
| 2018-02-13 | JC60783-4 | ND |
| 2018-04-10 | JC64164-2 | ND |
| 2018-04-10 | JC64164-3 | ND |
| 2018-04-10 | JC64164-4 | ND |
| 2018-04-10 | JC64164-1 | ND |
| 2018-05-29 | 8052909-01 | ND |