Hydrilla, an invasive plant that can choke waterways, was first identified in the river in 2016 in Glastonbury.

Applications are expected to be made in Middletown, Chester, Lyme, Portland, Deep River, East Haddam and East Hampton.

The EPA confirmed there have been no government-led applications of Diquat in Connecticut waters this year, but they’ve ...

Officials said "misinformation" surrounding the use of the herbicide diquat to kill hydrilla in the Connecticut River has “triggered fear” among residents.

Locals raised concerns over an herbicide used to kill an invasive aquatic plant in Connecticut rivers and lakes.The Army ...

The selective use of EPA-approved aquatic herbicides is one of the most effective methods available to mitigate the spread of ...

The Connecticut River Hydrilla Control Research and Demonstration Project now includes the use of three herbicides: diquat dibromide, dipotassium salt of endothall, and florpyrauxifen-benzyl ...

For the first time since 1985, parts of the Connecticut River near Hatfield and Holyoke will not have channel markers informing boaters of possible dangers.

The Northern Snakehead, a predatory and invasive fish, has been spotted again in the Schuylkill River, this time near Black Rock Sanctuary in Chester County.