Microplastics have saturated Lake Champlain’s beaches, wildlife, and water, and researchers are now racing to track their sources and potential health impacts.
Abagael Giles reports for Vermont Public.
In short:
- Researchers from the University of Vermont and the State University of New York, Plattsburgh, are analyzing beach and sand samples to trace microplastics in Lake Champlain, focusing on fibers, foam, and plastic pellets.
- Microplastics have been detected in zooplankton, at least 15 fish species humans eat, and in treated wastewater, with fibers like nylon and rayon comprising up to 80% of particles.
- These plastics are small enough to enter the bloodstream and organs, and scientists warn of links to endocrine disruption, reduced fertility, birth defects, and increased risk of stroke and heart disease.
Key quote:
“The key thing is that we need to stop the microplastics before they get into the environment.”
— Anne Jefferson, researcher at the University of Vermont
Why this matters:
Microplastics are not just an ocean problem. They’re in lakes, rivers, drinking water, and food. Lake Champlain provides water to about 200,000 people, yet wastewater plants aren’t equipped to filter out these microscopic particles. Microplastics come from clothes, packaging, toys, tires, and more. Once in the water, they break down but don’t disappear, instead absorbing and releasing toxic chemicals. Some of these chemicals are known carcinogens or endocrine disruptors, raising concern for child development, fertility, and long-term health. Exposure can happen through dust, air, and diet. The buildup in aquatic life is a warning sign that these plastics are cycling through ecosystems and into human bodies, often undetected and unregulated.
Related: Record levels of harmful particles found in Great Lakes fish













