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EWG's Tap Water Database — 2019 UPDATE

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2,4,5-TP (Silvex)

Bladen County Water Dist-West Bladen

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.

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013N/A00N/A
2014ND110ND
2015ND70ND
2016ND10ND
2017ND80ND

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
2012-01-048527-010412-E08SND
2012-01-048527-010412-E09SND
2012-01-048527-010412-L06SND
2012-04-048527-040412-E09SND
2014-01-028527-010214-E04SND
2014-01-028527-010214-E05SND
2014-04-028527-040214-E11SND
2014-05-078527-050714-E05SND
2014-05-078527-050714-E04SND
2014-07-028527-070214-L06SND
2014-07-028527-070214-E11SND
2014-09-038527-090314-E08SND
2014-10-018527-100114-E08SND
2014-10-018527-100114-L06SND
2014-12-038527-120314-E05SND
2015-01-21ND
2015-01-21ND
2015-02-04ND
2015-04-01ND
2015-05-06ND
2015-08-05ND
2015-10-01ND
2016-02-038527-020316-E05SND
2017-01-048527-010417-E04SND
2017-02-018527-020117-E05SND
2017-04-058527-040517-E11SND
2017-07-058527-070517-E11SND
2017-07-058527-070517-L06SND
2017-09-058527-090517-E08SND
2017-10-038527-100317-E08SND
2017-10-038527-100317-L06SND