Watertown is governed by a City Council with five members.
All members are part-time.
The City Council appoints a City Manager to be a full-time administrator of the city. The Council meets twice monthly, usually on Monday evenings, in the City Council Chambers in the Municipal Building located at 240 Washington Street near the public square. The public is encouraged to attend the Council meetings. An open session is always conducted, giving the citizens an opportunity to voice opinions. The City of Watertown supports full time professional Police and Fire Departments and participates in the county-wide emergency 911 system.