The Public Works Department is governed by the City of Fairfield in California. The department provides water resource planning, testing, reporting and management services. The Public Works Department is responsible for the repair and maintenance of parks, trails, streets, traffic signals, streetlights, and water, sewer and storm drain systems. The department offers water conservation and treatment services. The Public Works Department operates engineering, transportation, building and operations divisions. The department is also responsible for designing, preparing and specifying plans. The City of Fairfield administers finance, fire, community development, human resources and public works departments. The city s government operates a police department that provides crime prevention services.