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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Valencia Water Company Town Division

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
2014N/A00N/A
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018ND30ND
2019ND30ND

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
2015-01-13550-38319-1SND
2015-01-13550-38319-2SND
2015-01-13550-38319-3SND
2015-01-13550-38319-4SND
2015-10-27518184-001ND
2015-10-27518185-001ND
2018-02-28577634-001ND
2018-03-14579056-001ND
2018-04-05581510-001ND
2019-03-1419C1489-01ND
2019-06-0519F0451-01ND
2019-06-0619F0664-01ND