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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Dec 18Commission Meeting (In Person)8:00 am - 11:00 am
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Jan 15Commission Meeting (In-Person)8:00 am - 11:00 am
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Jan 26
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Jan 29Commission Meeting (In-Person)8:00 am - 11:00 am
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Feb 12Commission Meeting (In-Person)8:00 am - 11:00 am
Managing hauled grease: From challenges to long-term solutions
Over the past few years, the increasing volume of hauled grease from grease traps arriving at the treatment plant has created challenges
Four years of voluntary PFAS testing show low levels in cleaned wastewater and biosolids
Low, stable levels for influent, effluent and biosolids are consistent with environmental levels found in groundwater and surface water.
Clean Water Showcase draws hundreds for a splash of science and fun
The District's first-ever Clean Water Showcase event made waves on October 24–25 and it was a smashing hit!
Industrial pretreatment – Staff work with local industries to protect area waters
The Industrial Pretreatment program helps area industries remove industrial pollutants from their wastewater before it arrives at our plant.
Contracts and RFP opportunities
Current Construction Projects
What's okay to flush? What's trash?
Reduce salt use at home
Take a plant tour
Work worth doing
Our efforts in pollution prevention
Blending ValvES
How a simple device saves salt use in water softeners
#HardWaterHacks
Find practical tips for living with hard water or water that’s less softenedÂ
PFAS
The District is a leader in understanding and addressing PFAS in wastewater
HOUSEHOLD WASTE
Disposing of food items, FOG, chemicals and hazardous waste
Resource REcovery
Recovering and reusing beneficial resources from wastewater
Yahara WINS
A collaborative effort to reduce phosphorus across the watershed
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
