Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Plumstead Township Summer Hill Mead

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.

 

16

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
2019ND30ND
2020ND50ND
2021ND40ND
2022ND10ND
2023ND30ND

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
2019-06-279021151-01ND
2019-08-169027730-01ND
2019-10-119034974-01ND
2020-02-2421655497.00ND
2020-05-0822402546.00ND
2020-05-0822402517.00ND
2020-07-3122785769.00ND
2020-10-0923170752.00ND
2021-01-1523700404.00ND
2021-05-2724626341.00ND
2021-07-1624816606.00ND
2021-10-1325392706.00ND
2022-01-1426106531.00ND
2023-04-2728886862.00ND
2023-04-2728886891.00ND
2023-05-1229096419.00ND