Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Pawc Pocono District

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.

 

36

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
2020ND180ND
2021N/A00N/A
2022N/A00N/A
2023ND180ND

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
2020-04-1622047153.00ND
2020-04-2722047211.00ND
2020-04-2722047182.00ND
2020-04-2922239154.00ND
2020-04-2922239125.00ND
2020-04-2922239067.00ND
2020-05-0422239096.00ND
2020-05-0422239038.00ND
2020-05-0522239183.00ND
2020-07-0822631012.00ND
2020-07-0822630867.00ND
2020-07-0822630983.00ND
2020-07-1322630809.00ND
2020-07-1322630838.00ND
2020-07-1322630780.00ND
2020-07-1422630954.00ND
2020-07-1422630925.00ND
2020-07-1422630896.00ND
2023-05-1028925562.00ND
2023-05-1028925475.00ND
2023-05-1028925707.00ND
2023-05-1028925678.00ND
2023-05-1028925649.00ND
2023-05-1028925504.00ND
2023-05-1028925620.00ND
2023-05-1028925591.00ND
2023-05-1028925533.00ND
2023-07-1929324777.00ND
2023-07-1929324748.00ND
2023-07-1929324632.00ND
2023-07-1929324825.00ND
2023-07-1929324661.00ND
2023-07-1929324603.00ND
2023-07-1929324854.00ND
2023-07-1929324719.00ND
2023-07-1929324690.00ND