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EWG's Tap Water Database — 2021 UPDATE

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2,4,5-TP (Silvex)

Ft Mitchell 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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND40ND
2016ND20ND
2017ND80ND
2018ND20ND
2019ND20ND

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
2014-02-26140227027-3ND
2014-02-26140227027-2ND
2014-02-26140227027-1ND
2014-02-26140227027-4ND
2014-05-27140528015-4ND
2014-05-27140528015-3ND
2014-05-27140528015-1ND
2014-05-27140528015-2ND
2014-08-14140815015-1ND
2014-11-13141114033-1ND
2015-02-09150210030-1ND
2015-02-09150210030-2ND
2015-11-12151113027-1ND
2015-11-12151113027-2ND
2016-02-08160209014-1ND
2016-05-12160512051-1ND
2017-02-09170210001-4ND
2017-02-09170210001-2ND
2017-02-09170210001-3ND
2017-02-09170210001-1ND
2017-08-03170804011-2ND
2017-08-03170804011-4ND
2017-08-03170804011-3ND
2017-08-03170804011-1ND
2018-05-17180518002-1ND
2018-10-0118100041-001CND
2019-02-1119020382-001CND
2019-08-1520117424001_ISOCND