Western Lake Superior Sanitary District (WLSSD) provides wastewater and solid waste services and oversight for a 530 square mile region around Duluth, Minnesota that includes the cities of Duluth, Cloquet, Hermantown, Proctor, Carlton, Scanlon, Thomson and Wrenshall, and nine surrounding townships.
WLSSD operates a wastewater treatment plant, yard waste and organic composting site, a hazardous waste collection site and solid waste transfer station in the Lincoln Park neighborhood of Duluth, Minnesota. WLSSD also operates its Materials Recovery Center solid waste recycling and disposal site in Rice Lake Township. Hours vary by facility and season.
WLSSD is a special purpose unit of government created by the Minnesota Legislature in 1971 to address serious environmental pollution problems in the lower St. Louis River Basin.