The Department of Public Works of the city of Aurora, Ill., operates water production and water and sewer maintenance divisions. The department s engineering division manages the engineering of capital projects in the city. It also looks after Aurora Municipal Airport, which is a full-service Chicago-area corporate aircraft facility. The Department of Public Works maintains an underground utility system that restores the surface after excavation. The department is responsible for the maintenance of city s water distribution system and its collector sewer system. It additionally maintains and replaces catch basins, manholes and lift stations, as well as excavates infrastructure failures. The Department of Public Works repairs fire hydrants, valves and water service leaks.