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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

South Toledo Bend Water District

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
2014ND40ND
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
2014-04-07AD90491ND
2014-04-07AD90491ND
2014-08-25AD95804ND
2014-08-25AD95804ND
2015-03-0235177846005ND
2015-03-0235177846005ND
2015-10-0535210878003ND
2015-10-0535210878003ND
2016-04-1135239164003ND
2016-04-1135239164003ND
2016-11-2135279123009ND
2016-11-2135279123009ND
2017-04-0435304846002ND
2017-04-0435304846002ND
2017-10-1635343117001ND
2017-10-1635343117001ND
2018-02-2035375985001ND
2018-02-2035375985001ND
2018-08-0635409595001ND
2018-08-0635409595001ND
2019-03-1235454722001ND
2019-03-1235454722001ND
2019-08-0735488968001ND
2019-08-0735488968001ND