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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

City of Conroe

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

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015N/A00N/A
2016ND20ND
2017ND100ND
2018ND80ND
2019ND20ND

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
2014-04-09AC49990ND
2014-04-09AC49988ND
2014-04-09AC49991ND
2014-04-09AC49992ND
2014-04-09AC49986ND
2014-04-09AC49989ND
2014-04-09AC49993ND
2014-04-09AC49994ND
2014-04-09AC49984ND
2014-05-28AC55356ND
2016-01-11AD17401ND
2016-01-11AD17403ND
2017-01-09AD63709ND
2017-01-09AD63713ND
2017-01-09AD63714ND
2017-04-11AD79265ND
2017-04-11AD79267ND
2017-04-11AD79266ND
2017-05-18AD84931ND
2017-05-18AD84933ND
2017-05-18AD84932ND
2017-05-18AD84930ND
2018-03-08AE17657ND
2018-03-08AE17656ND
2018-05-08AE25626ND
2018-05-08AE25627ND
2018-07-02AE32305ND
2018-07-02AE32308ND
2018-10-01AE42275ND
2018-10-01AE42279ND
2019-03-11AE57897ND
2019-03-11AE57898ND