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EWG's Tap Water Database — 2019 UPDATE

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Dinoseb

City of Nampa

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

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND40ND
2014N/A00N/A
2015N/A00N/A
2016ND70ND
2017ND50ND

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
2012-02-29S58593ND
2013-12-04S1351134ND
2013-12-05S1351275ND
2013-12-12S1352283ND
2013-12-12S1352282ND
2016-04-20S1616221ND
2016-07-20S1632285ND
2016-10-07S1646180ND
2016-11-171652977ND
2016-11-17S1652977ND
2016-11-17S1652993ND
2016-11-17S1652982ND
2017-01-31S1703804ND
2017-01-31S1703805ND
2017-04-11S1714411ND
2017-08-09S1735777ND
2017-10-18S1748770ND