Hydrilla has been overtaking parts of the Connecticut River since 2016, when it was first recorded there and since then it has spread to other waterways.

An invasive weed has spread from Essex to Mass. line. How CT scientists are fighting back It has spread over over 1,000 acres of river from Essex to Agawam, Mass.

Context: The Connecticut River Hydrilla Control Research and Demonstration Project planned to use Diquat, a herbicide that is toxic to humans, to treat the invasive plant species hydrilla.

Before it became a flash point in a viral debate over the use of herbicides on the Connecticut River, the chemical diquat was ...

The mat of invasive water chestnut as seen from the channel. The channel is more than a mile-and-a-half long and 1,000 feet wide. Tom Shannon paddles through the channel volunteers in Germantown ...

'Landing Blitz' targets aquatic invasive species ahead of 4th of July weekend . Eric Peterson, FOX 11 News. Mon, June 30th 2025 at 5:40 PM. Updated Tue, July 1st 2025 at 9:27 PM. 7. VIEW ALL PHOTOS.

Michigan officials spent hundreds of thousands of dollars and used potent herbicides before digging up ponds ... according to Billy Keiper, an invasive aquatic species monitor with EGLE. "This is the ...