Provides law enforcement and community protection primarily for the city of Lowell

Charged with the execution of summonses, enforcement of judgments, orders, injunctions, garnishments, attachments, and the making of arrest on warrants issued by the courts.

Provides law enforcement and protective services for the community.

Provides law enforcement and protective assistance for the community.

Responsibilities include the preservation of the public peace; the protection of life and property; the prevention, detection, and investigation of criminal activity; the apprehension and confinement of offenders and the recovery of property; the control of crowds at public events; the control of vehicular traffic and the investigation of traffic accidents; and the rendering of services and the protection of property during civil emergencies or natural disasters.