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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Aqua Pa Superior Main System

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

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND20ND
2017ND50ND
2018ND30ND
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
2016-09-2914913262ND
2016-11-0315230847ND
2017-03-2215800718ND
2017-03-2215800754ND
2017-03-2215800790ND
2017-03-2215800826ND
2017-03-2215800862ND
2018-03-142302582001ND
2018-05-292318188001ND
2018-08-092331923001ND