Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Town of Annetta Deer Creek

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.

 

18

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
2019ND10ND
2020ND80ND
2021ND20ND
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

Date Lab ID Result
2019-06-03Q1930677032ND
2020-01-30Q2003934006ND
2020-04-21Q2015803008ND
2020-04-21Q2015803031ND
2020-04-21Q2015803032ND
2020-04-21Q2015803033ND
2020-04-21Q2015803035ND
2020-08-27Q2034434019ND
2020-10-14Q2040327007ND
2021-03-10Q2106410001ND
2021-04-22Q2110415007ND
2022-11-17Q2234711004ND
2023-11-08Q2348107005ND
2023-11-08Q2348107030ND
2023-11-08Q2348107031ND
2023-11-08Q2348107032ND
2023-11-08Q2348107033ND
2023-11-08Q2348107048ND