Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Newtown Artesian Water Company

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.

 

17

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
2019ND10ND
2020ND100ND
2021ND10ND
2022ND10ND
2023ND40ND

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
2019-07-019020447-01ND
2020-05-0122195266.00ND
2020-05-0122195237.00ND
2020-05-0122195208.00ND
2020-05-0822393348.00ND
2020-05-0822393319.00ND
2020-07-0622587744.00ND
2020-07-0622587715.00ND
2020-07-0622587773.00ND
2020-07-0722587802.00ND
2020-07-0722587831.00ND
2021-07-0624809550.00ND
2022-07-0526824117.00ND
2023-04-0328681825.00ND
2023-04-0328681852.00ND
2023-07-0529283041.00ND
2023-07-0629283013.00ND