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
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Jul 17Commission Meeting (In Person)8:00 am - 11:00 am
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Jul 23
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Jul 31Commission Meeting (In Person)8:00 am - 11:00 am
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Aug 1August First Friday Tour12:00 pm - 1:30 pm
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Aug 13Community Budget Preview Meeting11:30 am - 1:00 pm
2024 Marks Benchmark Year for Yahara WINS
Alignment of land, people and resources through Yahara WINS prevented more than 59,000 pounds of phosphorus from entering local waters.
Area paddlers have new put-in option for paddling Badfish Creek
A new kayak and canoe landing was unveiled on Badfish Creek, along County Highway A in the Town of Rutland.
Project spotlight: Improvements to the flow splitter
Read about the District's Flow Splitter Improvement project and how this crucial piece of infrastructure functions.
Methods of success: District lab demonstrates its excellence
Our lab had two big successes this year that demonstrated the quality of the team and their dedication to excellence.
Highland Ave. Sewer Project planned May-September 2025.
See project stages, traffic impacts, suggested detours and more.
Business opportunities, contracts and RFPs
Current Construction Projects
What's okay to flush? What's trash?
Reduce salt use at home
Take a plant tour
Work worth doing
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
