1,2,3-Trichloropropane
City of Horseshoe Bay
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.
16
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | 0.158 ppb | 4 | 1 | ND - 0.630 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 |
|---|---|---|
| 2014-08-14 | AC63675 | ND |
| 2014-08-14 | AC63677 | ND |
| 2015-08-03 | AD02089 | ND |
| 2015-08-03 | AD02081 | ND |
| 2016-01-27 | AD20467 | ND |
| 2016-04-14 | AD33258 | ND |
| 2016-07-20 | AD44977 | ND |
| 2016-07-20 | AD45005 | ND |
| 2017-07-06 | AD88504 | ND |
| 2017-07-06 | AD88512 | ND |
| 2018-07-05 | AE32454 | ND |
| 2018-07-05 | AE32446 | ND |
| 2019-01-24 | AE51317 | 0.630 ppb |
| 2019-04-25 | AE63760 | ND |
| 2019-09-04 | AE82025 | ND |
| 2019-09-04 | AE82027 | ND |