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EWG's Tap Water Database — 2019 UPDATE

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2,4,5-T

San Antonio Water System Northeast

2,4,5-Trichlorophenoxyacetic acid (2,4,5-T) is a herbicide banned in the U.S. since 1985. It was formerly used on residential and commercial lawns, and occasionally on food crops. 2,4,5-T contained the impurity dioxin, which is highly toxic to people and wildlife.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND30ND
2015N/A00N/A
2016N/A00N/A
2017ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-09-02AC65476ND
2014-09-02AC65475ND
2014-09-02AC65473ND
2017-01-05AD63349ND
2017-01-05AD63347ND
2017-01-05AD63346ND
2017-12-13AE07709ND