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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Portage

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
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND150ND
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
2018-05-22LLH81756ND
2018-05-22LLH81758ND
2018-05-22LLH81760ND
2018-05-22LLH81761ND
2018-05-22LLH81762ND
2018-05-22LLH81757ND
2018-05-22LLH81759ND
2018-06-25LLH88663ND
2018-06-25LLH88664ND
2018-08-22LLI00614ND
2018-09-20LLI06939ND
2018-09-26LLI08300ND
2018-09-26LLI08299ND
2018-12-13LLI19333ND
2018-12-13LLI19334ND
2019-01-23LLI23204ND
2019-01-23LLI23205ND
2019-05-23LLI39385ND
2019-05-23LLI39384ND
2019-08-15LLI56724ND
2019-08-15LLI56723ND
2019-11-14LLI77203ND
2019-11-14LLI77202ND