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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Pennsylvania American Water Company Yardley

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015N/A00N/A
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
2014-04-1025324501ND
2014-04-1025324601ND
2014-04-1025324701ND
2014-08-1126500401ND
2014-08-1126500501ND
2014-08-1126500601ND
2017-04-1015921986ND
2017-04-1015922014ND
2017-04-1015922042ND
2017-08-0716550829ND
2017-08-0716550857ND
2017-09-2616712920ND