1,2,3-Trichloropropane
City of Seguin
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 | ND | 3 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-07-23 | AC60694 | ND |
| 2014-10-23 | Q1453694003 | ND |
| 2014-10-23 | Q1453694001 | ND |
| 2015-01-27 | Q1502868001 | ND |
| 2015-04-15 | Q1514034003 | ND |
| 2015-04-15 | Q1514034001 | ND |
| 2015-07-16 | AC99960 | ND |
| 2016-01-19 | AD18704 | ND |
| 2016-07-07 | AD43347 | ND |
| 2017-07-28 | AD91397 | ND |
| 2018-08-09 | AE36384 | ND |
| 2019-01-23 | AE51003 | ND |
| 2019-07-22 | AE75362 | ND |