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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Thibodaux Waterworks

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

 

22

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
2018ND40ND
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
2014-02-03AD88682ND
2014-02-03AD88682ND
2015-03-3135181766004ND
2015-03-3135181766004ND
2015-09-2435208879008ND
2015-09-2435208879008ND
2016-03-1535234393006ND
2016-03-1535234393006ND
2016-11-1435277515001ND
2016-11-1435277515001ND
2017-01-3135292293004ND
2017-01-3135292293004ND
2017-10-1635342351005ND
2017-10-1635342351005ND
2018-01-2535370415010ND
2018-01-2535370415010ND
2018-07-2335406292001ND
2018-07-2335406292001ND
2019-01-2935445087001ND
2019-01-2935445087001ND
2019-07-2435484852001ND
2019-07-2435484852001ND