Your Partner in Clean Water

We are more than just a wastewater treatment plant.

For about 100 years, Madison Metropolitan Sewerage District has worked to protect public health, the environment and local waters through service, reliability and sustainability.

Upcoming Events

Jul 10
July First Friday Tour12:00 pm - 1:30 pm
Jul 16
Commission Meeting (In-Person)8:00 am - 11:00 am
Jul 30
Commission Meeting (In-Person)8:00 am - 11:00 am
Aug 7
August First Friday Tour12:00 pm - 1:30 pm
Aug 13
Commission Meeting (In-Person)8:00 am - 11:00 am

Full Calendar

Rooted in Partnership: Celebrating the 2025 Metrogro Program
July 1, 2026
On Wednesday, June 24, Madison Metropolitan Sewerage District welcomed farmers, landowners, and haulers to the Nine Springs Wastewater Treatment Plant for a Metrogro Customer Appreciation event. It was a chance to say thank you in person and also take a moment to step back and look at what the Metrogro program accomplishes, season after season, for our land, our water, and our community.
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Flush with Purpose
May 14, 2026
On May 14, 2026, Madison Metropolitan Sewerage District and Madison Public Market held a special event to unveil the “Learning Lavatories,” 14 custom-designed restrooms that turn a routine stop into a tour of where regional wastewater goes, with creative reminders that the system works only as well as we do.
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Collaboration and collages to celebrate World Water Day and Earth Day
May 1, 2026
Students celebrate World Water Day by exploring their connections to water and creating collages, in partnership with MSCR Girls. Inc.
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Fresh water, fresh standards: A new WPDES permit
April 23, 2026
The District's updated Wisconsin Pollutant Discharge Elimination System (WPDES) permit ensures our facility continues to operate at the highest environmental standards.
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