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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

City of The Dalles

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

 

19

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
2015ND80ND
2016ND50ND
2017N/A00N/A
2018ND60ND
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
2015-06-244401135963-SND
2015-06-244401135961-SND
2015-06-244401135962-SND
2015-06-244401135964-SND
2015-09-15201509160736-SND
2015-09-15201509160735-SND
2015-09-15201509170002-SND
2015-09-15201509170003-SND
2016-08-1020168110690-SND
2016-08-10201608110689-SND
2016-08-23201608150029-SND
2016-08-23201608150030-SND
2016-09-21201609190134-SND
2018-06-19V8F046801-SND
2018-06-19V8F046802-SND
2018-06-19V8F046803-SND
2018-09-24V8I043301-SND
2018-09-24V8I043302-SND
2018-09-24V8I043303-SND