Providing local, national, and international leadership and maintaining excellence in the fields of limnology, aquatic ecology, and ecosystem science from the Hasler Laboratory of Limnology and Trout Lake Station.

Live stream of beautiful Lake Mendota, as displayed from the UW-Madison Center For Limnology’s Hasler Laboratory.

Hasler Laboratory of Limnology in the fall from the water
Hasler Laboratory, Madison
Trout Lake Station building from drone view
Trout Lake Station, Boulder Junction


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Watch for Fill The Hill, October 20-21

Your support helps us conduct crucially important science, inspires training for the next generation of freshwater leaders and helps us work with the general public, elected officials, and resource managers to innovate solutions. Gifts from people like you also allows us to advance our mission of embracing the Wisconsin Idea and sharing what we learn to audiences near and far.

Thank you for your support!!


Wednesdays: Zoo 911 limnology seminar WSEL/Zoom* noon-1:00 * Details

Thursdays: Biology Colloquium * 3202 Birge Hall * Details


Oct 8: Steve Carpenter, recipient of Blue Planet Award – presenting Restoring the Phosphorus Cycle * Kyoto University, in Kyoto

Oct 12: Clean Lakes 101: Willow Creek Landscape Master Plan * 8am * Details

Nov 2: Science on Tap * 6:30pm * Oakfire Pizzeria & Bar, Minocqua * Details

“Diversity is a source of strength, creativity, and innovation for UW-Madison. We value the contributions of each person and respect the profound ways their identity, culture, background, experience, status, abilities, and opinion enrich the university community. We commit ourselves to the pursuit of excellence in teaching, research, outreach, and diversity as inextricably linked goals.

The University of Wisconsin-Madison fulfills its public mission by creating a welcoming and inclusive community for people from every background—people who as students, faculty, and staff serve Wisconsin and the world.”

Institutional Statement on Diversity, 2016