2,4,5-TP (Silvex)
Warsaw Water Works
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.
13
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 | ND | 5 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 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
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-03 | 11246-03 | ND |
| 2014-05-12 | 15752-03 | ND |
| 2014-09-02 | 21899-03 | ND |
| 2014-11-10 | 25423-02 | ND |
| 2014-11-10 | 25424-02 | ND |
| 2015-02-17 | 11938-03 | ND |
| 2015-04-20 | 14927-03 | ND |
| 2015-07-21 | 20154-01 | ND |
| 2015-11-09 | 26507-03 | ND |
| 2016-02-22 | 12515-03 | ND |
| 2016-05-24 | 17566-01B | ND |
| 2016-08-22 | 23668-02B | ND |
| 2017-11-07 | 3817609 | ND |