Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Minnetonka

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019N/A00N/A
2020ND80ND
2021ND40ND
2022N/A00N/A
2023N/A00N/A

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
2018-07-2318G1394-03ND
2018-11-0818K0448-01ND
2020-07-3020G2379-02ND
2020-07-3020G2379-03ND
2020-07-3020G2379-04ND
2020-07-3020G2382-04ND
2020-11-1620K0637-01ND
2020-11-1620K0637-02ND
2020-11-1620K0637-03ND
2020-11-1620K0637-04ND
2021-08-0421H0235-02ND
2021-08-0421H0235-03ND
2021-11-1021K0694-01ND
2021-11-1021K0694-02ND