1,2,3-Trichloropropane
Lake Conroe Terrace Water System
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 |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 8 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 2 | 0 | ND |
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 |
---|---|---|
2015-03-17 | AC84753 | ND |
2015-03-17 | AC84777 | ND |
2015-06-11 | AC95640 | ND |
2015-06-11 | AC95700 | ND |
2015-09-14 | AD06928 | ND |
2015-09-14 | AD06968 | ND |
2015-12-01 | AD14963 | ND |
2015-12-01 | AD14979 | ND |
2016-09-14 | AD49472 | ND |
2017-08-10 | AD92767 | ND |
2018-02-07 | AE12773 | ND |
2018-02-07 | AE12823 | ND |
2019-11-05 | AE88476 | ND |