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EWG's Tap Water Database — 2021 UPDATE

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2,4,5-TP (Silvex)

South Bayou Macon Ws

NOTE: South Bayou Macon Ws purchases water from Turkey Creek Water System which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by Turkey Creek Water System.

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.

MORE ABOUT THIS CONTAMINANT

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND20ND
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

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

NOTE: South Bayou Macon Ws purchases water from Turkey Creek Water System which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by Turkey Creek Water System.

Date Lab ID Result
2015-06-1635193581002ND
2015-06-1635193581003ND
2015-06-1635193581004ND
2015-06-1635193581002ND
2015-06-1635193581003ND
2015-06-1635193581004ND
2015-07-0735196543001ND
2015-07-0735196543001ND
2018-04-1835387355001ND
2018-04-1835387355002ND
2018-04-1835387355003ND
2018-04-1835387355001ND
2018-04-1835387355002ND
2018-04-1835387355003ND