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EWG's Tap Water Database — 2019 UPDATE

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Dinoseb

San Fernando Water Department

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND60ND
2014ND30ND
2015N/A00N/A
2016N/A00N/A
2017N/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
2013-05-179590-002-0825ND
2013-05-179590-003-0905ND
2013-05-179590-004-0735ND
2013-08-079590-002-1000ND
2013-08-079590-003-1040ND
2013-08-079590-004-0900ND
2014-07-159590-002-0900ND
2014-07-159590-003-1100ND
2014-07-159590-004-1000ND