1,2,3-Trichloropropane
City of Nacogdoches
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.
21
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 | 7 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-03-04 | Q1406781007 | ND |
| 2014-06-09 | Q1419843003 | ND |
| 2014-06-09 | Q1419843001 | ND |
| 2014-09-16 | Q1444588001 | ND |
| 2014-09-18 | Q1445817006 | ND |
| 2014-12-03 | Q1458140001 | ND |
| 2014-12-03 | Q1458140003 | ND |
| 2015-03-11 | Q1508854001 | ND |
| 2015-03-13 | Q1509587008 | ND |
| 2015-08-12 | Q1531877006 | ND |
| 2016-02-23 | Q1607697015 | ND |
| 2016-02-23 | Q1607697004 | ND |
| 2016-09-08 | Q1636320002 | ND |
| 2017-08-01 | Q1731839002 | ND |
| 2017-10-25 | Q1754902003 | ND |
| 2017-10-25 | Q1754902012 | ND |
| 2018-04-18 | Q1815997004 | ND |
| 2018-07-26 | Q1829792002 | ND |
| 2019-01-17 | Q1902680004 | ND |
| 2019-01-17 | Q1902680010 | ND |
| 2019-08-06 | Q1951518001 | ND |