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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Marco Rural Water Company

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

 

18

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
2014ND20ND
2015N/A00N/A
2016ND80ND
2017N/A00N/A
2018N/A00N/A
2019ND80ND

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
2014-03-04AD36307ND
2014-06-10AD41057ND
2016-11-08AD85403ND
2016-11-08AD85422ND
2016-11-08AD85395ND
2016-11-08AD85412ND
2016-11-08AD85401ND
2016-11-08AD85416ND
2016-11-08AD85399ND
2016-11-08AD85414ND
2019-12-02AE40915ND
2019-12-02AE40929ND
2019-12-03AE41076ND
2019-12-03AE41048ND
2019-12-03AE41049ND
2019-12-03AE41070ND
2019-12-03AE41072ND
2019-12-03AE41074ND