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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

City of San Luis

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

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND120ND
2016N/A00N/A
2017N/A00N/A
2018ND60ND
2019ND60ND

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
2014-02-13479281-005DND
2014-02-13479281-005CND
2014-02-13479281-005BND
2014-02-13479281-005AND
2015-05-20201505210191SCND
2015-05-20201505210191SBND
2015-05-20201505210191SAND
2015-05-20201505210177SCND
2015-05-20201505210177SBND
2015-05-20201505210177SAND
2015-11-18201511190130SCND
2015-11-18201511190132SCND
2015-11-18201511190132SBND
2015-11-18201511190132SAND
2015-11-18201511190130SBND
2015-11-18201511190130SAND
2018-03-27201803280607SCND
2018-03-27201803280607SBND
2018-03-27201803280607SAND
2018-03-28201803280608SCND
2018-03-28201803280608SBND
2018-03-28201803280608SAND
2019-03-12201903130096SAND
2019-03-12201903130098SCND
2019-03-12201903130098SBND
2019-03-12201903130098SAND
2019-03-12201903130096SCND
2019-03-12201903130096SBND