2,4,5-TP (Silvex)
Falls Creek Borough Municipal Authority
NOTE: Falls Creek Borough Municipal Authority purchases water from City of Dubois Water Depart which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by City of Dubois Water Depart.
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 | 1 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 1 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
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
NOTE: Falls Creek Borough Municipal Authority purchases water from City of Dubois Water Depart which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by City of Dubois Water Depart.
Date | Lab ID | Result |
---|---|---|
2014-05-28 | 14053056-001 | ND |
2014-08-20 | 14082245-001 | ND |
2017-04-24 | 16188881 | ND |
2017-08-07 | 16660665 | ND |