The City of Dayton was the first large city to adopt the Council Manager form of government, in 1913. The Dayton City Commission is comprised of five members – a Mayor and four Commissioners – who are elected at-large on a non-partisan basis. Dayton City government provides a full range of services, including police, fire, EMS, street maintenance, waste collection, building inspection, water supply & treatment, sewer maintenance, wastewater treatment, recreation, municipal courts, an international airport and a general aviation airport, and a convention center. The City of Dayton organization is comprised of 16 departments employing approximately 2,000 employees. The General Fund budget is approximately $150 million.