Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Brooklyn Park

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
2021ND30ND
2022ND10ND
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
2018-05-1518E1224-01ND
2018-08-1318H1037-01ND
2019-07-2219G1527-03ND
2019-10-1719J1046-01ND
2020-06-1020F0843-02ND
2020-07-2420G1753-01ND
2021-04-3021D1962-01ND
2021-09-2821I1502-01ND
2021-10-2721J1490-01ND
2022-02-0222B0150-01ND
2023-08-0723H0586-01ND
2023-10-1123J0527-01ND