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
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Home / Who We Are /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.
Sampling results show no cause for concern in downstream waters following District sewer overflow
District shares favorable water quality sampling results following a sanitary sewer overflow it first reported on Friday, August 25.
Sewerage District provides sanitary sewer overflow event update
Madison Metropolitan Sewerage District provides an update on a sanitary sewer overflow (SSO) that it first reported on Friday, August 22, 2025.
