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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Epcor Water - Agua Fria

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

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND180ND
2015ND20ND
2016N/A00N/A
2017ND160ND
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
2014-02-204021662-01SND
2014-03-174031321-01ND
2014-03-1840631423-02ND
2014-03-184031423-03ND
2014-03-184031423-01SND
2014-03-194031531-01SND
2014-05-084050765-03SND
2014-06-244061967-01SND
2014-08-054080428-04SND
2014-08-054080428-01SND
2014-08-054080428-02SND
2014-08-054080428-03SND
2014-08-064080551-04ND
2014-08-064080551-03SND
2014-08-064080551-02SND
2014-08-064080551-01SND
2014-11-184111490-01SND
2014-11-184111490-02SND
2015-03-055030509-01SND
2015-03-05201501280358AND
2017-03-137031038-02SND
2017-03-167031480-02SND
2017-03-167031480-01SND
2017-03-227031982-01SND
2017-03-297032479-04ND
2017-03-297032479-03ND
2017-06-057060554-02ND
2017-08-087080866-03SOCND
2017-08-087080866-02SOCND
2017-08-087080866-01SOCND
2017-08-097081006-03SOCND
2017-08-097081006-02SOCND
2017-08-097081006-01SOCND
2017-08-217082146-01SOCND
2017-12-057120469-03ND
2017-12-057120489-04ND