He, JianmingCharles C. S., Song2011-11-072011-11-071997-10https://hdl.handle.net/11299/117626The 0' Hare System of the Tunnel and Reservoir Plan (T ARP), which serves 11.2 square miles of combined sewers, as shown in Fig. 1, is the smallest of the four systems comprising the 352-square mile combined sewer services area operated by the Metropolitan Water Reclamation District of Greater Chicago (MWRDGC).en-USReport