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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Wrightsville Beach Water System

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
2014N/A00N/A
2015N/A00N/A
2016ND120ND
2017N/A00N/A
2018ND10ND
2019ND110ND

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
2016-04-0537729_16-10381ND
2016-04-0537729_16-10382ND
2016-04-0537729_16-10383ND
2016-04-0537729_16-10384ND
2016-04-0537729_16-10385ND
2016-04-0537729_16-10380ND
2016-07-1137729_16-22361ND
2016-07-1137729_16-22368ND
2016-07-1137729_16-22369ND
2016-07-1137729_16-22370ND
2016-07-1137729_16-22371ND
2016-07-1137729_16-22359ND
2018-01-2537729_18-03258 ND
2019-09-2537729_19-41851 ND
2019-09-2637729_19-41846 ND
2019-09-2637729_19-41847 ND
2019-09-2637729_19-41848 ND
2019-09-2637729_19-41849 ND
2019-09-2737729_19-42086 ND
2019-12-1237729_19-53168 ND
2019-12-1237729_19-53172 ND
2019-12-1237729_19-53173 ND
2019-12-1237729_19-53175A ND
2019-12-1237729_19-53134 ND