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EWG's Tap Water Database — 2021 UPDATE

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2,4,5-TP (Silvex)

Mineola

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND60ND
2015ND40ND
2016ND40ND
2017ND50ND
2018N/A00N/A
2019ND50ND

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

Date Lab ID Result
2014-04-041404377-001-SOCSND
2014-04-041404377-002-SOCSND
2014-04-041404377-003-SOCSND
2014-04-041404377-004-SOCSND
2014-08-251408H88-001-SOCSND
2014-11-201411E39-001-SOCSND
2015-07-291507L42-004-SOCSND
2015-07-291507L42-002-SOCSND
2015-07-291507L42-005-SOCSND
2015-07-291507L42-003-SOCSND
2016-10-13702147001-SOCSND
2016-10-13702147004-SOCSND
2016-10-13702147003-SOCSND
2016-10-13702147002-SOCSND
2017-09-197030368001ND
2017-09-197030368003ND
2017-09-197030368004ND
2017-09-197030368002ND
2017-09-217030664001ND
2019-02-197080056001ND
2019-02-197080024001ND
2019-02-207080180001ND
2019-02-207080179001ND
2019-04-307087688001ND