The Connecticut Department of Energy and Environmental Protection was notified of the collision, State Police said.

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 U.S. Army Corps of Engineers will start injecting diquat dibromide, an herbicide banned in the European Union, into ...

Connecticut is among several states that uses the herbicide Diquat to combat hydrilla, an invasive plant species that grows ...

Connecticut is among several states that uses the herbicide Diquat to combat hydrilla, an invasive plant species that grows ...