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EWG's Tap Water Database — 2019 UPDATE

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Dinoseb

Three Valleys Municipal Water District

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

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND50ND
2013ND30ND
2014ND20ND
2015ND20ND
2016ND50ND
2017ND40ND

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
2012-04-173761-002-1100ND
2012-05-153761-002-1100ND
2012-06-133761-004-1200ND
2012-09-113761-004-0800ND
2012-09-113761-002-0000ND
2013-03-053761-002-1040ND
2013-06-113761-002-0830ND
2013-12-173761-002-1000ND
2014-06-103761-004-1030ND
2014-09-163761-004-1101ND
2015-03-103761-002-0930ND
2015-06-093761-004-0940ND
2016-03-153761-002-0900ND
2016-06-213761-004-1006ND
2016-06-213761-002-1030ND
2016-09-133761-002-1000ND
2016-12-133761-002-1020ND
2017-03-213761-004-1040ND
2017-06-213761-004-1100ND
2017-06-213761-002-1000ND
2017-09-123761-002-0900ND