Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Ayden, Town of

NOTE: Ayden, Town of purchases water from Neuse Regional Water and Sewer Authority which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by Neuse Regional Water and Sewer Authority.

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND10ND
2020ND70ND
2021ND10ND
2022ND10ND
2023ND60ND

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: Ayden, Town of purchases water from Neuse Regional Water and Sewer Authority which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by Neuse Regional Water and Sewer Authority.

Date Lab ID Result
2020-03-0337729_20-08846ND
2020-05-127590-051220-E01SND
2023-03-077590-030723-E01SND
2023-05-027590-050223-E01SND