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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Kent County Water Authority

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

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015N/A00N/A
2016N/A00N/A
2017ND100ND
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
2014-03-171401808-04_PE21ND
2014-03-171401808-03_PE21ND
2014-03-171401808-02_PE21ND
2014-03-171401808-05_PE21ND
2014-04-211402378-02_PE21ND
2014-04-211402378-04_PE21ND
2014-08-131404415-02_PE21ND
2014-08-131404415-01_PE21ND
2014-09-231405125-01_PE21ND
2014-10-271405505-03_PE21ND
2014-10-271405505-04_PE21ND
2014-10-271405505-02_PE21ND
2017-03-201701538-01_PE21ND
2017-03-201701538-03_PE21ND
2017-03-201701538-04_PE21ND
2017-04-251701960-03_PE21ND
2017-09-051704240-01_PE21ND
2017-09-051704240-03_PE21ND
2017-09-051704240-02_PE21ND
2017-09-291704540-01_PE21ND
2017-11-011704844-01_PE21ND
2017-11-011704844-02_PE21ND