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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Valley of The Moon Water District

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
2014ND20ND
2015N/A00N/A
2016ND30ND
2017ND20ND
2018ND20ND
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
2014-02-125810-002-0857ND
2014-02-125810-004-0927ND
2016-02-195810-001-0918ND
2016-02-195810-003-0753ND
2016-02-195810-005-1036ND
2017-02-155810-002-0800ND
2017-02-155810-004-0920ND
2018-01-115810-019-1232ND
2018-01-115810-024-1232ND
2019-03-255810-001-1015ND
2019-03-255810-003-1050ND
2019-03-255810-005-0950ND