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
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Dec 19Commission Meeting (In Person)8:00 am - 10:00 am
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Jan 16Commission Meeting (In Person)8:00 am - 11:00 am
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Jan 27Winter Salt Week Livestream: An Eye on Salt Pollution12:30 pm - 1:00 pm
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Jan 28Winter Salt Week Livestream: Dilution is NOT the Solution12:30 pm - 1:00 pm
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Jan 29
Toilets Are Not Trashcans
Current Construction Projects
Work with Us
Be Water Softener Smart
Take a Virtual Tour
Explore our Wildlife Observation Area
Our most requested
COMMISSION
Find meeting materials and meet our Commissioners
Contracting CENTER
Find current business and contracting opportunities with the District
PHONE NUMBERS
Important phone numbers, hours, maps and more
Be a Salt Saver
Learn how to reduce salt use in your home
CAREERS
Search job opportunities and learn more about our hiring process
District FAQs
Find frequently asked questions and resources here
Our promise to you
Our Mission
Protect public health and the environment
Our Vision
Enrich life through clean water and resource recovery
Our Values
Service, reliability and sustainability