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

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

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

MIDDLESEX COUNTY — Eighteen legislators are condemning what they say are “false and misleading” social media posts surrounding the safety of using diquat and other herbicides to kill ...

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

A contractor for the U.S. Army Corps of Engineers use an airboat to add dye to measure flow of the hydrilla in the Connecticut River at the Parker Point in Chester location on Wednesday, Oct. 2, 2024.

Locals protested the use of herbicides with demonstrations, town hall meetings, signs in public areas around the lake, and through dialogue that permeated the walls of the Statehouse.