The Hydrilla Threat
The Hydrilla Threat
Hydrilla represents a potentially devastating risk to the Twin Lakes. It is believed to have come to East Twin on a boat or boat trailer from the Connecticut River and has begun to spread in the eastern bay near the marina. The video nearby shows the impact of unchecked hydrilla spread. Here are some links to further understand the plant and how it is being treated:
Tremendous Risk, Hartford Courant, October 2025
Statement on hydrilla from Connecticut Federation of Lakes
Army Corp of Engineers findings
At left, Mark Hellman of TK displays hydrilla verticillata like that found in the Connecticut River and pulled near the marina. Above, how to tell the difference between the invasive Connecticut River strain and the native Elodea. The most obvious distinguishing feature is five or more leafs on the invasive strain and only three leafs on the native plant.