Know Your Environment. Protect Your Health.

Dinoseb

City of Oak Harbor

NOTE: City of Oak Harbor purchases water from City of Anacortes which is required to test for dinoseb. Sample information shown below was taken by City of Anacortes.

Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.

 

1

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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

NOTE: City of Oak Harbor purchases water from City of Anacortes which is required to test for dinoseb. Sample information shown below was taken by City of Anacortes.

Date Lab ID Result
2019-07-24ND