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EWG's Tap Water Database — 2019 UPDATE

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Dinoseb

Holliston Water Department

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND60ND
2014N/A00N/A
2015N/A00N/A
2016ND80ND
2017N/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 Result
2012-04-23ND
2012-12-19ND
2013-05-22ND
2013-05-22ND
2013-05-22ND
2013-12-11ND
2013-12-11ND
2013-12-11ND
2016-05-03ND
2016-05-03ND
2016-05-10ND
2016-05-10ND
2016-12-05ND
2016-12-05ND
2016-12-05ND
2016-12-05ND