Diquat dibromide
Diquat dibromide, also known as “diquat,” is an important aquatic herbicide and algaecide registered for use in aquatic, landscape, and agricultural settings. It is used as an aquatic herbicide for the control of invasive and nuisance weeds in ponds, lakes, and other waterbodies. The fact sheet below provides information on how diquat is used and EPA’s assessment of this pesticide.