The City of Ottawa is a single-tier municipality, meaning it is in itself a census division and has no county or regional municipality government above it. As a single-tier municipality, Ottawa has responsibility for all municipal services, including fire, emergency medical services, police, parks, roads, sidewalks, public transit, drinking water, storm water, sanitary sewage and solid waste. Ottawa is governed by the 24-member Ottawa City Council consisting of 23 councillors each representing one ward and the mayor Jim Watson, elected in a citywide vote.