Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

City of New Summerfield

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
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-10-25Q1843100011ND
2018-10-25Q1843100012ND
2019-03-21Q1911964005ND
2019-03-21Q1911964011ND
2020-03-23Q2012158007ND
2020-03-23Q2012158008ND
2021-03-01Q2105152004ND
2021-08-12Q2121675006ND
2022-02-02Q2203981007ND
2022-02-02Q2203981008ND
2023-04-25Q2315546005ND
2023-04-25Q2315546006ND