Mission and Goals The mission of the Department of Public Works (DPW) is to provide environmentally healthy municipal services that are both ecologically sound and cost effective. Keep DC Clean: Ensure the cleanliness of the District’s residential neighborhoods, high-visibility commercial areas, gateway corridors and industrial zones through a combination of direct services, education and enforcement.  Parking: Ensure parking opportunities for District residents, businesses and visitors by encouraging voluntary compliance with parking regulations.  Fleet Maintenance to Fleet Management:  Improve business processes to ensure mission critical equipment will be available for core services for all agencies.