Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

North Saint Paul

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND100ND
2019N/A00N/A
2020N/A00N/A
2021ND100ND
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
2018-04-1118D0458-02ND
2018-04-1118D0458-03ND
2018-04-1118D0458-04ND
2018-04-1118D0461-01ND
2018-04-1118D0458-01ND
2018-08-2218H1818-01ND
2018-08-2218H1818-02ND
2018-08-2218H1818-03ND
2018-08-2218H1818-04ND
2018-08-2218H1827-01ND
2021-07-1321G0531-02ND
2021-07-1321G0531-06ND
2021-07-1321G0531-05ND
2021-07-1321G0531-04ND
2021-07-1321G0531-03ND
2021-10-2121J1112-01ND
2021-10-2121J1112-02ND
2021-10-2121J1112-03ND
2021-10-2121J1112-04ND
2021-10-2121J1113-01ND