Know Your Environment. Protect Your Health.

Trifluralin

City of West Richland

NOTE: City of West Richland purchases water from City of Richland which is required to test for trifluralin. Sample information shown below was taken by City of Richland.

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.

 

3

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020N/A00N/A
2021N/A00N/A
2022ND30ND
2023N/A00N/A

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

NOTE: City of West Richland purchases water from City of Richland which is required to test for trifluralin. Sample information shown below was taken by City of Richland.

Date Lab ID Result
2018-05-09ND
2019-06-04ND
2019-09-03ND