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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Nov 14Commission Meeting (In-person)9:00 am - 11:00 am
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Nov 21Smart Salting for Parking Lots and Sidewalks Workshop8:00 am - 12:00 pm
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Nov 27Commission Meeting (virtual)8:00 am - 10:00 am
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Dec 6December First Friday Tour12:00 pm - 1:30 pm
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Dec 19Commission Meeting (In Person)8:00 am - 10:00 am
Only Flush the 3Ps
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