Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

City of Taneytown

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020ND70ND
2021N/A00N/A
2022N/A00N/A
2023ND70ND

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
2018-06-20E18004568001ND
2020-03-03E20002987001ND
2020-05-05E20003476001ND
2020-05-05E20003479001ND
2020-05-05E20003480001ND
2020-09-16E21000742001ND
2020-09-16E21000743001ND
2020-09-16E21000752001ND
2023-03-21E2300223103ND
2023-03-21E2300223603ND
2023-03-21E2300223703ND
2023-05-23E2300281501ND
2023-05-23E2300281601ND
2023-05-23E2300281701ND
2023-05-23E2300281801ND