70 ILCS 2605/226

As of December 18, 1975, the corporate limits of the Metropolitan Sanitary District of Greater Chicago are enlarged to include within such corporate limits the following described real property: The North 400 feet of the East 550 feet as measured on the East and North lines thereof, of the West half of the North West quarter of Section 33, Township 42 North, Range 10 East of the Third Principal Meridian, in Cook County, Illinois.