R.I. Gen. Laws § 42-17.1-13
Members of the auxiliary marine patrol shall be equipped with uniforms prescribed by the director and delegated specific powers and duties consistent with those now granted to other members of the department of environmental management and divisions thereof. They may bear and use firearms only when specifically authorized to do so by the director and only when in uniform and assigned to active duty. The duties of the members of the auxiliary marine patrol shall include, but in no way be limited to, the patrol of all harbors, rivers, docks, and other waterways of this state and the prevention of vandalism and theft of all other property used or enjoyed in connection therewith. The patrol may also be called to serve and exercise power and duties consistent with those employed by full time members of the department during an emergency or theoretical emergency. The members of the auxiliary marine patrol will serve without pay.
R.I. Gen. Laws § 42-17.1-13