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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

City of Rialto

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
2014ND110ND
2015N/A00N/A
2016N/A00N/A
2017ND10ND
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
2014-06-254790-001-1140ND
2014-06-254790-045-1330ND
2014-06-254790-046-1045ND
2014-06-264790-001-1045ND
2014-06-264790-001-1200ND
2014-06-264790-001-1445ND
2014-06-264790-001-1530ND
2014-06-264790-004-1200ND
2014-06-264790-017-1530ND
2014-06-264790-018-1045ND
2014-06-264790-019-1445ND
2017-09-294790-001-1200ND