2,4,5-TP (Silvex)
Ft Mitchell Water System
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 | 10 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 8 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-02-26 | 140227027-3 | ND |
2014-02-26 | 140227027-2 | ND |
2014-02-26 | 140227027-1 | ND |
2014-02-26 | 140227027-4 | ND |
2014-05-27 | 140528015-4 | ND |
2014-05-27 | 140528015-3 | ND |
2014-05-27 | 140528015-1 | ND |
2014-05-27 | 140528015-2 | ND |
2014-08-14 | 140815015-1 | ND |
2014-11-13 | 141114033-1 | ND |
2015-02-09 | 150210030-1 | ND |
2015-02-09 | 150210030-2 | ND |
2015-11-12 | 151113027-1 | ND |
2015-11-12 | 151113027-2 | ND |
2016-02-08 | 160209014-1 | ND |
2016-05-12 | 160512051-1 | ND |
2017-02-09 | 170210001-4 | ND |
2017-02-09 | 170210001-2 | ND |
2017-02-09 | 170210001-3 | ND |
2017-02-09 | 170210001-1 | ND |
2017-08-03 | 170804011-2 | ND |
2017-08-03 | 170804011-4 | ND |
2017-08-03 | 170804011-3 | ND |
2017-08-03 | 170804011-1 | ND |
2018-05-17 | 180518002-1 | ND |
2018-10-01 | 18100041-001C | ND |
2019-02-11 | 19020382-001C | ND |
2019-08-15 | 20117424001_ISOC | ND |