Your Partner in Clean Water

We are more than just a wastewater treatment plant.

For more than 90 years, Madison Metropolitan Sewerage District has worked to protect public health, the environment and our local waters through innovation, sustainability and resource recovery.

Upcoming Events

Apr 25
Commission Meeting8:00 am - 10:00 am
May 3
May First Friday Tour12:00 pm - 1:30 pm
May 16
Commission Meeting8:00 am - 10:00 am
May 21
Red Cross Blood Drive7:00 am - 11:00 am
May 30
Commission Meeting8:00 am - 10:00 am

Full Calendar

District history: Handling biosolids in the early years
April 11, 2024
As long as we've had wastewater treatment technology in the Madison-area, we've needed effective ways to handle, treat and dispose of biosolids and sludge.
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Field trip! Tours of Wisconsin wastewater treatment plants
March 19, 2024
Wisconsin wastewater treatment plant and water reclamation facility tours to consider within a short drive of Madison.
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Women in STEM: Working in science, technology, engineering and math
February 9, 2024
Four women in STEM careers share their thoughts, experiences and advice for pursuing fields in science, IT, engineering or mathematics.
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Chloride reduction grant expands reach of Efficiency Navigator program
January 22, 2024
Thanks to District grants, Efficiency Navigator helps reduce reliance on energy and water for lower income multi-family rental properties.
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