2,4,5-TP (Silvex)
Bargersville Water Department
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 3 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 2 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-04-08 | 14041061001RS28- | ND |
2014-07-15 | 14071643001RS28- | ND |
2014-10-20 | 14102235001RS28- | ND |
2015-01-20 | 15011486001RS28- | ND |
2015-05-11 | 15051341001RS28- | ND |
2015-08-17 | 15082000RS28-150 | ND |
2017-04-18 | 17041983001RS28- | ND |
2017-09-11 | 17091136RS28-170 | ND |
2018-07-16 | 18071669RS28-180 | ND |