Yellowknife Municipal Enforcement Division (MED) is responsible for municipal bylaw infractions and traffic infractions (within city limits). The Yellowknife Fire Department handles the city's fire, ambulance, rescue, and hazardous materials responses. A point of debate in recent years has been the implementation of 911 services in Yellowknife (currently one must dial one of two local numbers) through a partnership with five other Northwest Territories communities; the cost of installation is currently estimated at around $1 million a year. There have been a number of incidents where emergency services have been either misdirected, or improperly dispatched. Health services are provided through the
Yellowknife also resulted in new discoveries at the Con Mine, greatly extending the life of the mine. The Yellowknife townsite expanded from the Old Town waterfront, and the new townsite was established during 1945–1946. The Discovery Mine, with its own townsite, operated to the north-northeast of Yellowknife from 1950 to 1969. Between 1939 and 1953, Yellowknife was controlled by the Northern Affairs department (now Indigenous and Northern Affairs Canada) of the Government of Canada. A small council, partially elected and partially appointed, made decisions. By 1953, Yellowknife had grown so much that it was made a municipality, with its own council