Public Works Departments perform a variety of duties while conducting their day to day operations. These duties include but are not limited to the maintenance, repair, and installation of roads, bridges, water mains, sewer mains, storm sewers, pump stations, parks, recreation fields, facility maintenance, grounds maintenance, transportation, vehicle maintenance, mosquito control, planning, engineering, traffic signals, solid waste, and recycling. Professional licenses held by Public Works employees include but are not limited to Certified Public Works Manager, Water and Wastewater Operator, Professional Engineer, Professional Land Surveyor, Professional Planner, Certified Recycling Coordinator, Licensed Electrician, Licensed Plumber, and Certified Pesticide Applicator.