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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

City of Norfolk

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

 

40

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
2014ND80ND
2015ND80ND
2016ND80ND
2017ND80ND
2018ND80ND
2019N/A00N/A

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
2014-02-11201402120483-CAHND
2014-02-11201402120489-CAHND
2014-05-13201405140546-CAHND
2014-05-13201405140544-CAHND
2014-08-12201408130294-CAHND
2014-08-12201408130296-CAHND
2014-11-12201411130833-CAHND
2014-11-12201411130557-CAHND
2015-02-10460260-EUROFINSND
2015-02-10460260-EUROFINSND
2015-05-12460260-EUROFINSND
2015-05-12460260-EUROFINSND
2015-08-11460260-EUROFINSND
2015-08-11460260-EUROFINSND
2015-11-09460260-EUROFINSND
2015-11-09460260-EUROFINSND
2016-02-09201602100120-CAHND
2016-02-09201602100122-CAHND
2016-05-10201605110161-CAHND
2016-05-10201605110160-CAHND
2016-08-09201608110693-CAHND
2016-08-09201608100233-CAHND
2016-11-08201611090228-CAHND
2016-11-08201611090230-CAHND
2017-02-14201702151127-CAHND
2017-02-14201702151042-CAHND
2017-05-09201705100872-CAHND
2017-05-09201705100790-CAHND
2017-08-08201708100347-CAHND
2017-08-08201708091172-CAHND
2017-11-14201711151069-CAHND
2017-11-14201711150304-CAHND
2018-02-13201802150969-CAHND
2018-02-13201802151032-CAHND
2018-05-08201805090974-CAHND
2018-05-08201805091234-CAHND
2018-08-14201808160459-CAHND
2018-08-14201808160579-CAHND
2018-11-13201811140123-CAHND
2018-11-13201811140388-CAHND