2,4,5-TP (Silvex)
Saraland Water Service
2(2,4,5-trichlorophenoxy) propionic acid (2,4,5-TP or Silvex) is a cancer-causing herbicide banned in the U.S. in 1985 because of its toxicity. It is still detected as a groundwater contaminant in areas where it was sprayed or stored.
22
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 8 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 14 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 3 ppb
The EWG Health Guideline of 3 ppb for 2,4,5-TP 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 harm to internal organs.
EPA Maximum Contaminant
Level (MCL) 50 ppb
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-03-15 | 160316039-1 | ND |
| 2016-03-15 | 160316039-2 | ND |
| 2016-03-15 | 160316039-3 | ND |
| 2016-06-16 | 160617015-3 | ND |
| 2016-06-16 | 160617015-2 | ND |
| 2016-06-16 | 160617015-1 | ND |
| 2016-06-16 | 160617015-4 | ND |
| 2016-09-15 | 160916014-001 | ND |
| 2019-03-13 | 19030450-001C | ND |
| 2019-03-13 | 19030450-002C | ND |
| 2019-03-13 | 19030450-003C | ND |
| 2019-06-04 | 20106618001_ISOC | ND |
| 2019-06-04 | 20106618002_ISOC | ND |
| 2019-07-30 | 20114823003_ISOC | ND |
| 2019-07-30 | 20114823001_ISOC | ND |
| 2019-07-30 | 20114823001_ISOC | ND |
| 2019-07-30 | 20114823001_ISOC | ND |
| 2019-07-30 | 20114823003_ISOC | ND |
| 2019-07-30 | 20114823002_ISOC | ND |
| 2019-07-30 | 20114823002_ISOC | ND |
| 2019-07-30 | 20114823002_ISOC | ND |
| 2019-07-30 | 20114823003_ISOC | ND |