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EWG's Tap Water Database — 2021 UPDATE

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Trifluralin

Metropolitan Utilities District

Trifluralin is a herbicide that is used on food crops and non-agricultural lands. It was banned in Europe in the late 2000s, primarily due to its ecological toxicity.

MORE ABOUT THIS CONTAMINANT

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND40ND
2015ND160ND
2016ND30ND
2017ND40ND
2018ND110ND
2019ND40ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 4 ppb

The EWG Health Guideline of 4 ppb for trifluralin was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-14293528ND
2014-04-28295611ND
2014-04-28295610ND
2014-04-28295612ND
2015-04-20353921ND
2015-04-20353920ND
2015-04-20353922ND
2015-06-08357039ND
2015-06-08357035ND
2015-06-08357033ND
2015-06-08357034ND
2015-06-09357037ND
2015-06-09357038ND
2015-07-14374240ND
2015-08-10375176ND
2015-08-10375180ND
2015-08-10375175ND
2015-08-10375179ND
2015-08-10375178ND
2015-08-10375177ND
2016-04-18ND
2016-04-18ND
2016-04-18ND
2017-04-17ND
2017-04-17ND
2017-04-17ND
2017-07-11ND
2018-04-24543626ND
2018-04-24543625ND
2018-04-24543624ND
2018-06-05545297ND
2018-06-05545300ND
2018-06-05545301ND
2018-07-16560974ND
2018-08-28561293ND
2018-08-28561294ND
2018-08-28561295ND
2018-08-28561296ND
2019-04-29604249ND
2019-04-29604248ND
2019-04-29604247ND
2019-07-22621275ND