2,4,5-TP (Silvex)
Eufaula 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.
26
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 14 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 12 | 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 |
|---|---|---|
| 2016-05-03 | 85-050316-SOC-2 | ND |
| 2016-05-03 | 85-050316-SOC-7 | ND |
| 2016-05-03 | 85-050316-SOC-1 | ND |
| 2016-05-03 | 85-050316-SOC-4 | ND |
| 2016-05-03 | 85-050316-SOC-3 | ND |
| 2016-05-03 | 85-050316-SOC-5 | ND |
| 2016-05-03 | 85-050316-SOC-6 | ND |
| 2016-08-02 | 8508022016-1 | ND |
| 2016-08-02 | 8508022016-3 | ND |
| 2016-08-02 | 8508022016-6 | ND |
| 2016-08-02 | 8508022016-5 | ND |
| 2016-08-02 | 8508022016-7 | ND |
| 2016-08-02 | 8508022016-2 | ND |
| 2016-08-02 | 8508022016-4 | ND |
| 2019-05-23 | 191137-01SOC | ND |
| 2019-05-23 | 191139-01SOC | ND |
| 2019-05-23 | 191140-01SOC | ND |
| 2019-05-23 | 191141-01SOC | ND |
| 2019-05-23 | 191142-01SOC | ND |
| 2019-05-23 | 191136-01SOC | ND |
| 2019-10-22 | 197354-01SOC | ND |
| 2019-10-22 | 197358-01SOC | ND |
| 2019-10-22 | 197357-01SOC | ND |
| 2019-10-22 | 197355-01SOC | ND |
| 2019-10-22 | 197353-01SOC | ND |
| 2019-10-22 | 197356-01SOC | ND |