Although fall is officially here, cyanobacteria blooms were still observed across Lake Champlain and several inland Vermont waterbodies during Week 14. While the overall number of reports was lower, blooms occurred in several key areas on Lake Champlain, including the Inland Sea, Main Lake North, Main Lake South, Missisquoi Bay, and St. Albans Bay, as well as in Vermont waterbodies like Shelburne Pond and Lake Memphremagog. Read...

This week we saw a paint-like bloom at Venise-en-Québec shoreline, a green sheen bloom at Black Bridge in St. Albans Town, a faint green haze at North Beach in Burlington, an intense bright green layer at the U.S. Coast Guard Boat Access Ramp in Burlington, and clear waters at Alburgh Dunes State Park. Read...

During Week 12 (8/9 - 9/6/2025) of the cyanobacteria monitoring season, we saw paint-like green bloom at Philipsburg Boat Launch, dense mats coating the shoreline at Philipsburg, vibrant green waters at North Hero Marina, bright teal and green cyanobacteria patches at Parc Jameson, and speckled green patterns at Rock Point Eagle Bay. Read...

Under a velvety dark sky on the night of a new moon, an American eel (Anguilla rostrata) slithers from her watery home in Lake Champlain to embark on a fateful mission. To mate, she must venture on a journey that stretches north through the Richelieu River, down the broad St. Lawrence, into the cold sweep of the North Atlantic, and then thousands of miles south to the Sargasso Sea near Bermuda. Read...

This week we saw teal tinted waters at Parc Jameson, patches of green from a low alert at Graveyard Point East, green waters at Shelburne Pond, tiny cyanobacteria at Black Bridge in St. Albans, and specks of cyanobacteria at Graveyard Point West. Read...