Know Your Environment. Protect Your Health.

Trifluralin

City of Spokane

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019N/A00N/A
2020N/A00N/A
2021ND40ND
2022N/A00N/A
2023ND30ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-07-17ND
2018-07-17ND
2018-07-17ND
2018-10-30ND
2018-10-30ND
2018-10-30ND
2021-07-274195367ND
2021-07-274195378ND
2021-07-274205226ND
2021-07-274205225ND
2023-07-254507788ND
2023-07-254507783ND
2023-07-254507777ND