Know Your Environment. Protect Your Health.

Dinoseb

College Place Water Department

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

 

11

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
2021ND10ND
2022ND40ND
2023ND40ND

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

Date Lab ID Result
2018-06-25ND
2019-05-28ND
2021-12-014231834ND
2022-05-314369958ND
2022-06-144309373ND
2022-08-094331460ND
2022-11-014373086ND
2023-02-064411982ND
2023-04-244448591ND
2023-08-294507809ND
2023-10-234538609ND