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.

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

Salt Pile

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

Video Showcase: Who We Are

Only Flush the 3Ps

Only Flush the 3Ps

Current Construction Projects

Current Construction Projects

Work with Us

Work with Us

Be Water Softener Smart

Be Water Softener Smart

Take a Virtual Tour

Take a Virtual Tour

Explore our Wildlife Observation Area

Explore our Wildlife Observation Area

Upcoming Events

Full Calendar

Our promise to you

Our Mission

Our Mission


Protect public health and the environment

Our Vision

Our Vision


Enrich life through clean water and resource recovery

Our Ideals

Our Ideals


Equitable, reliable and cooperative