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EWG's Tap Water Database — 2021 UPDATE

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2,4,5-TP (Silvex)

Jacksonville Electric Authority (JEA Major Grid)

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

 

135

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
2014ND560ND
2015ND20ND
2016N/A00N/A
2017ND630ND
2018ND60ND
2019ND80ND

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 Result
2014-02-10ND
2014-02-10ND
2014-02-10ND
2014-02-10ND
2014-02-11ND
2014-02-11ND
2014-02-11ND
2014-02-11ND
2014-02-11ND
2014-02-11ND
2014-02-11ND
2014-02-11ND
2014-02-12ND
2014-02-12ND
2014-02-12ND
2014-02-12ND
2014-02-12ND
2014-02-12ND
2014-02-13ND
2014-02-13ND
2014-02-18ND
2014-02-18ND
2014-02-18ND
2014-02-18ND
2014-02-18ND
2014-02-18ND
2014-02-27ND
2014-07-30ND
2014-10-02ND
2014-10-02ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-07ND
2014-10-09ND
2014-10-09ND
2014-10-09ND
2014-10-09ND
2014-10-09ND
2014-10-09ND
2014-10-09ND
2014-10-09ND
2014-10-14ND
2014-10-14ND
2015-01-15ND
2015-04-10ND
2017-02-07ND
2017-02-07ND
2017-02-08ND
2017-02-08ND
2017-02-08ND
2017-02-08ND
2017-02-08ND
2017-02-08ND
2017-02-09ND
2017-02-09ND
2017-02-09ND
2017-02-09ND
2017-02-09ND
2017-02-13ND
2017-02-13ND
2017-02-13ND
2017-02-13ND
2017-02-13ND
2017-02-13ND
2017-02-13ND
2017-02-13ND
2017-02-14ND
2017-02-14ND
2017-02-14ND
2017-02-14ND
2017-02-14ND
2017-03-10ND
2017-03-10ND
2017-03-10ND
2017-09-28ND
2017-10-16ND
2017-10-16ND
2017-10-16ND
2017-10-16ND
2017-10-16ND
2017-10-16ND
2017-10-16ND
2017-10-16ND
2017-10-16ND
2017-10-16ND
2017-10-16ND
2017-10-16ND
2017-10-17ND
2017-10-17ND
2017-10-17ND
2017-10-17ND
2017-10-17ND
2017-10-17ND
2017-10-17ND
2017-10-17ND
2017-10-17ND
2017-10-17ND
2017-10-17ND
2017-10-18ND
2017-10-18ND
2017-10-18ND
2017-10-18ND
2017-10-18ND
2017-10-18ND
2017-10-19ND
2017-10-19ND
2017-10-19ND
2017-11-03ND
2018-02-02ND
2018-05-04ND
2018-08-03ND
2018-08-03ND
2018-11-02ND
2018-11-02ND
2019-02-15ND
2019-05-03ND
2019-05-22ND
2019-06-27ND
2019-08-02ND
2019-08-02ND
2019-11-08ND
2019-11-08ND