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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Arizona Water Company - Sedona

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

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND160ND
2016N/A00N/A
2017N/A00N/A
2018ND150ND
2019ND10ND

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
2015-05-195051638-07SND
2015-05-195051638-06SND
2015-05-195051638-05SND
2015-05-195051638-04SND
2015-05-195051638-03SND
2015-05-195051638-02SND
2015-05-195051638-01SND
2015-06-175061654-01SND
2015-11-045110415-01ND
2015-11-045110415-08TND
2015-11-045110415-07TND
2015-11-045110415-06ND
2015-11-045110415-05TND
2015-11-045110415-04TND
2015-11-045110415-03TND
2015-11-045110415-02ND
2018-05-0918E1147-08 SOCND
2018-05-0918E1147-07 SOCND
2018-05-0918E1147-06 SOCND
2018-05-0918E1147-05 SOCND
2018-05-0918E1147-04 SOCND
2018-05-1618E1760-03 SOCND
2018-05-1618E1760-02 SOCND
2018-05-1618E1760-01 SOCND
2018-10-2418J2635-04ND
2018-10-2418J2635-03ND
2018-10-2418J2635-02ND
2018-10-2418J2635-01ND
2018-10-2418J2631-03ND
2018-10-2418J2631-02ND
2018-10-2418J2631-01ND
2019-06-0519F0622-01ND