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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Berwick Bayou Vista Water Works Commission

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND60ND
2019ND40ND

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
2014-05-12AD91437ND
2014-05-12AD91437ND
2015-02-2435177310001ND
2015-02-2435177310001ND
2015-09-2435208879001ND
2015-09-2435208879001ND
2016-01-1135224753001ND
2016-01-1135224753001ND
2016-09-1935266189001ND
2016-09-1935266189001ND
2017-01-1035288198001ND
2017-01-1035288198001ND
2017-10-1135341635001ND
2017-10-1135341635001ND
2018-01-2535370415001ND
2018-01-2535370415001ND
2018-05-0335390206001ND
2018-05-0335390206001ND
2018-07-0935403038001ND
2018-07-0935403038001ND
2019-01-1535442693001ND
2019-01-1535442693001ND
2019-07-0935480722001ND
2019-07-0935480722001ND