1,2,3-Trichloropropane
St. Charles County PWSD 2
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.
13
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 | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 4 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2013-01-23 | 3581118001AM | ND |
| 2013-01-23 | 3581108001AM | ND |
| 2013-05-13 | 3593275004AM | ND |
| 2013-05-13 | 3593275001AM | ND |
| 2013-07-17 | 35101267003AM | ND |
| 2013-08-26 | 35106027001AM | ND |
| 2013-10-28 | 35113941003AM | ND |
| 2013-10-28 | 35113941001AM | ND |
| 2014-09-17 | AC34978 | ND |
| 2017-09-07 | AD07208 | ND |
| 2017-09-07 | AD07209 | ND |
| 2017-09-07 | AD07210 | ND |
| 2017-09-07 | AD07207 | ND |