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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Brunswick / Topsham Water District

Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND10ND
2016N/A00N/A
2017ND60ND
2018N/A00N/A
2019N/A00N/A

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
2014-10-20ND
2014-10-20ND
2014-10-20ND
2015-03-261503-01350-001-HND
2017-06-271706-03719-001-HND
2017-10-121710-01386-003HEND
2017-10-121710-01386-002HEND
2017-12-131712-01316-001HEND
2017-12-131712-01315-001HEND
2017-12-131712-01313-001HEND