70 ILCS 1845/3
There is created a political subdivision, body politic, and municipal corporation by the name of the Seneca Regional Port District embracing the following territory in La Salle County: all of the territory included within the corporate limits of the Village of Seneca; and all of Sections 24 and 25, Township 33 North, Range 5 East of the Third Principal meridian, in Manlius Township; and Section 36, Township 33 North, Range 5 East of the Third Principal meridian, in Brookfield Township; and
The following described territory located in Grundy County, Illinois: That portion of Section 30, Township 33 North, Range 6 East of the Third Principal Meridian, in Erienna Township, which lies north of the Illinois River and south and west of the right of way line of the Chicago, Rock Island and Pacific Railroad Company, containing 7 acres more or less.
Territory may be annexed to the District in the manner hereinafter provided in this Act.
The District may sue and be sued in its corporate name but execution shall not in any case issue against any property of the District. It may adopt a common seal and change the same at pleasure.
70 ILCS 1845/3