2,4,5-TP (Silvex)
Backwoods-saddlebrook Community Ws
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.
16
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 |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 4 | 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 |
---|---|---|
2016-07-11 | 7548-071116-EP1S | ND |
2016-07-11 | 7548-071116-EP2S | ND |
2016-12-05 | 7548-120516-EP1S | ND |
2016-12-05 | 7548-120516-EP2S | ND |
2017-03-30 | 7548-033017-EP1S | ND |
2017-03-30 | 7548-033017-EP2S | ND |
2017-05-16 | 7548-051617-EP1S | ND |
2017-05-16 | 7548-051617-EP2S | ND |
2017-08-23 | 7548-082317-EP1S | ND |
2017-08-23 | 7548-082317-EP2S | ND |
2017-11-14 | 7548-111417-EP1S | ND |
2017-11-14 | 7548-111417-EP2S | ND |
2018-03-13 | 7548-031318-EP1S | ND |
2018-03-13 | 7548-031318-EP2S | ND |
2019-02-25 | 7548-022519-EP1S | ND |
2019-02-25 | 7548-022519-EP2S | ND |