Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Aqua Pa Uwchlan

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022ND20ND
2023ND230ND

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
2022-08-0327224187.00ND
2022-10-1227632712.00ND
2023-02-0728340511.00ND
2023-02-0728340490.00ND
2023-02-0728340497.00ND
2023-02-0728340483.00ND
2023-02-0728340504.00ND
2023-02-1428340818.00ND
2023-04-1728692528.00ND
2023-04-2028889777.00ND
2023-04-2028889783.00ND
2023-04-2028692403.00ND
2023-04-2628889793.00ND
2023-04-2628889800.00ND
2023-07-1129487129.00ND
2023-07-1129487178.00ND
2023-07-1729487214.00ND
2023-07-1729487157.00ND
2023-07-1729487242.00ND
2023-07-1729487270.00ND
2023-10-1630062506.00ND
2023-10-1630062450.00ND
2023-10-1630062478.00ND
2023-10-1830062422.00ND
2023-10-1830062383.00ND