Dinoseb

Pleasant Hills-crossroads Water Systems

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

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Year	Average result	Samples taken	Range of results
2014	ND	4	ND
2015	N/A	0	N/A
2016	N/A	0	N/A
2017	ND	4	ND
2018	N/A	0	N/A
2019	N/A	0	N/A

ppb = parts per billion

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