1,2,3-Trichloropropane
City of Marble Falls
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.
8
Samples
0
Samples exceeding legal limit (MCL)
1
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | 0.235 ppb | 2 | 1 | ND - 0.470 ppb |
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 |
|---|---|---|
| 2014-08-07 | AC62522 | ND |
| 2015-09-16 | AD07395 | ND |
| 2016-02-22 | AD24818 | ND |
| 2016-09-13 | AD49224 | ND |
| 2017-07-25 | AD90589 | ND |
| 2018-07-16 | AE33379 | ND |
| 2019-01-24 | AE51319 | 0.470 ppb |
| 2019-08-13 | AE78299 | ND |