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EWG's Tap Water Database — 2019 UPDATE

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Dinoseb

San Antonio Water System Northeast

Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.

 

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

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 7 ppb

The legal limit for dinoseb, established in 1992, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

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