Infrastructure Services

City departments that are central to keeping Chicago on the move. These departments collect residential recycling and garbage; remove graffiti; build, repair and maintain Chicago’s streets, sidewalks and bridges; coordinate and repair street lights; maintain the City’s water and sewer system; purify and deliver the city’s water; operate the City’s two international airports; and strategically plan for the future of the City’s essential infrastructure. The Infrastructure Service departments include: • Department of Streets and Sanitation • Department of Transportation • Department of Aviation • Department of Water Management The Department of Water Management and Department of Aviation are both Public Service Enterprises, which means they function like commercial enterprises in that they pay expenses with revenue derived from charges and user fees for the services they provide.