Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Yadkinville, Town of

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020N/A00N/A
2021N/A00N/A
2022ND40ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-07-0392390588003SOCND
2018-11-0892406563002SOCND
2019-05-3037729_19-22349AND
2019-07-1137729_19-29729ND
2022-08-1092619957001_12710ND
2022-09-1592626153001_12710ND
2022-10-052103508-0AND
2022-10-242105109-01ND
2023-01-043013425-02ND
2023-01-053013425-01ND
2023-09-213093827-01ND
2023-09-213093829-01ND