U.S. Army Corps of Engineers, Buffalo District Biologist Alex Heist collects water samples following Hydrilla treatment in the Erie Canal in North Tonawanda, N.Y., July 22, 2025. Hydrilla is an invasive aquatic plant that can outcompete native aquatic plant life, as well as cause safety hazards to navigation of waterways. (U.S. Army photo by Kaylee Wendt)