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EWG's Tap Water Database — 2021 UPDATE

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2,4,5-TP (Silvex)

City of Pineville 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

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015N/A00N/A
2016ND220ND
2017ND20ND
2018N/A00N/A
2019ND180ND

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
2014-03-10AD89665ND
2014-03-10AD89665ND
2016-09-1535265896005ND
2016-09-1535265896005ND
2016-09-2835268029012ND
2016-09-2835268029009ND
2016-09-2835268029010ND
2016-09-2835268029011ND
2016-09-2835268029012ND
2016-09-2835268029013ND
2016-09-2835268029011ND
2016-09-2835268029010ND
2016-09-2835268029009ND
2016-09-2835268029013ND
2016-10-0535271142004ND
2016-10-0535271142003ND
2016-10-0535271142003ND
2016-10-0535271142002ND
2016-10-0535271142001ND
2016-10-0535271142004ND
2016-10-0535271142002ND
2016-10-0535271142001ND
2016-12-1535283877001ND
2016-12-1535283877001ND
2017-09-2735338974001ND
2017-09-2735338974001ND
2019-07-1835483366003ND
2019-07-1835483366005ND
2019-07-1835483366004ND
2019-07-1835483366002ND
2019-07-1835483366001ND
2019-07-1835483366001ND
2019-07-1835483366002ND
2019-07-1835483366003ND
2019-07-1835483366004ND
2019-07-1835483366005ND
2019-07-2535485313001ND
2019-07-2535485313004ND
2019-07-2535485313003ND
2019-07-2535485313002ND
2019-07-2535485313001ND
2019-07-2535485313004ND
2019-07-2535485313003ND
2019-07-2535485313002ND