Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Nashville, Town of

NOTE: Nashville, Town of purchases water from City of Rocky Mount which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by City of Rocky Mount.

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND50ND
2020ND60ND
2021ND40ND
2022ND30ND
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

NOTE: Nashville, Town of purchases water from City of Rocky Mount which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by City of Rocky Mount.

Date Lab ID Result
2019-06-1137729_19-24433ND
2019-06-2737729_19-27227AND
2019-06-2737729_19-27227ND
2019-08-1237729_19-34935ND
2019-08-1237729_19-34939ND
2020-05-128146-051220-E01SND
2020-06-198146-061920-E02SND
2020-07-078146B-070720-E01SND
2020-07-148146-071420-E02SND
2020-11-238146-112320-E01SND
2021-01-268146-012621-E01SND
2021-04-068146-040621-E01SND
2021-09-078146-090721-E01SND
2021-10-288146-102821-E01SND
2022-02-108146-021022-E01SND
2022-06-028146-060222-E01SND
2022-12-078146-120722-E01SND
2023-04-108146A-041023-E02SND
2023-06-148146-061423-E01SND
2023-08-078146-080723-E02SND
2023-09-078146-090723-E01SND
2023-10-048146-100423-E01SND
2023-10-048146-100423-E02SND