70 ILCS 2305/19
Whenever within any such sanitary district there shall be a city, incorporated town or village, which owns a system of waterworks and supplies water from a lake or other source which will be saved and preserved from sewage pollution, or other contamination, by the board of trustees of such district in the exercise of the powers and authority by this Act conferred, and there shall be in such sanitary district any city, incorporated town or village, which does not own or operate any system of water works, at the time of the creation of such sanitary district, then the board of trustees of such sanitary district shall have and they are hereby vested with the same power and authority conferred upon the board of trustees of any district organized, or that might be organized, under an Act entitled, "An Act in relation to public water districts", approved July 25, 1945, as amended. And said board of trustees of said sanitary district may exercise such power and authority as and in the manner provided by such Act. Said board of trustees of such sanitary district are also hereby authorized and empowered to take a lease from any such city of any public utilities specified in section 11-117-2 of the "Illinois Municipal Code", approved May 29, 1961, as amended.
70 ILCS 2305/19