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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Onalaska Water Supply Corporation

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND10ND
2016ND10ND
2017ND30ND
2018ND10ND
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
2014-01-21AC39603ND
2014-01-21AC39601ND
2014-01-21AC39605ND
2015-04-23AC89470ND
2016-01-20AD19026ND
2017-03-21AD76133ND
2017-03-21AD76132ND
2017-03-21AD76134ND
2018-02-15AE14199ND