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EWG's Tap Water Database — 2021 UPDATE

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Trifluralin

Metropolitan Water District of So. Cal.

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND100ND
2016N/A00N/A
2017N/A00N/A
2018ND100ND
2019N/A00N/A

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
2015-04-089588-005-0830ND
2015-04-089588-013-1020ND
2015-04-089588-003-1000ND
2015-04-089588-026-1047ND
2015-04-089588-020-1100ND
2015-11-039588-003-1030ND
2015-11-039588-005-0925ND
2015-11-039588-026-0837ND
2015-11-039588-013-1015ND
2015-11-059588-020-1020ND
2018-04-029588-003-1345ND
2018-04-029588-005-1223ND
2018-04-029588-020-1124ND
2018-04-039588-026-1528ND
2018-04-099588-013-0805ND
2018-10-019588-020-1015ND
2018-10-019588-003-1140ND
2018-10-029588-013-1010ND
2018-10-029588-005-1115ND
2018-10-029588-026-0950ND