Cyanobacteria, also known as blue-green algae, are common in Lake Champlain and other Vermont waters. Some types of cyanobacteria can release natural toxins or poisons (called cyanotoxins) into the water.

The Cyanobacteria (Blue-Green Algae) Tracker allows the public to check recent cyanobacteria bloom reports at shoreline sites and recreational swimming areas of Lake Champlain and various inland lakes in Vermont.

Climate Change Affects Your Health Climate change is impacting the health of people living in Vermont now. Some existing health threats will intensify and new health threats will emerge. Climate change also affects social and environmental determinants of health, including...

Norovirus is a highly contagious virus that causes vomiting and diarrhea.

What You Need to Know About Parasites in Drinking Water According to the CDC, about 7.2 million Americans get sick every year from diseases spread through water. Two of the most common waterborne illnesses are caused by the parasites Cryptosporidium...

The Vermont Department of Health Laboratory tests for intestinal parasites.