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Public Works & Utilities

Sanitary Sewers

Sanitary sewer water is wastewater that is collected from homes, businesses and many industries and delivered to the Western Lake Superior Sanitary District (WLSSD) for treatment. The clean water is then discharged into St. Louis River. 

ComfortSystems/City of Duluth Public Works & Utilities Department works hard to ensure your water is safe and clean, our area's ecosystem is cared for and long-term water demands are met through innovative solutions and careful design.

Customers pay for sewage service based on your monthly water usage. Your winter (October-March) water consumption is used to determine the amount of sewage generated from your home.  This average is used to calculate your sewer bill during the summer months of April through September

Jim Benning
Director of Public Works & Utilities
City Hall, Room 211B
411 West First Street
Duluth, MN 55802
(218) 730-5105


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