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EWG's Tap Water Database — 2021 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.

MORE ABOUT THIS CONTAMINANT

 

25

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
2016ND70ND
2017ND50ND
2018ND10ND
2019ND120ND

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
2016-04-20S1616221ND
2016-07-20S1632285ND
2016-10-07S1646180ND
2016-11-171652977ND
2016-11-17S1652977ND
2016-11-17S1652993ND
2016-11-17S1652982ND
2017-01-31S1703805ND
2017-01-31S1703804ND
2017-04-11S1714411ND
2017-08-09S1735777ND
2017-10-18S1748770ND
2018-10-08S1850028ND
2019-08-15S1940600ND
2019-08-15S1940599ND
2019-09-17S1946663ND
2019-09-17S1946664ND
2019-09-17S1946665ND
2019-09-17S1946666ND
2019-09-17S1946661ND
2019-09-18S1947017ND
2019-09-18S1947010ND
2019-09-18S1947008ND
2019-09-18S1947009ND
2019-09-18S1947007ND