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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

South Island PSD

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

MORE ABOUT THIS CONTAMINANT

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND120ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND110ND

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
2014-02-04AD35237ND
2014-02-04AD35252ND
2014-02-04AD35253ND
2014-02-04AD35231ND
2014-02-10AD35468ND
2014-02-10AD35474ND
2014-02-10AD35475ND
2014-02-10AD35476ND
2014-04-14AD38376ND
2014-04-14AD38374ND
2014-04-14AD38363ND
2014-04-14AD38360ND
2019-09-11AE36990ND
2019-09-11AE37008ND
2019-09-11AE37010ND
2019-09-12AE37131ND
2019-09-17AE37328ND
2019-09-17AE37326ND
2019-09-18AE37423ND
2019-09-18AE37429ND
2019-09-18AE37442ND
2019-11-13AE40103ND
2019-11-13AE40114ND