Simulation of Water Quality Processes in the Chicago Waterway and Upper Illinois River Systems

by Bill Macaitis, Metropolitan Water Reclamation, District of Greater Chicago, Chicago, United States,
John Variakojis, Metropolitan Water Reclamation, District of Greater Chicago, Chicago, United States,
Gary Mercer, Metropolitan Water Reclamation, District of Greater Chicago, Chicago, United States,



Document Type: Proceeding Paper

Part of: Water Management in the '90s: A Time for Innovation

Abstract: The U.S. Environmental Protection Agency QUAL2E-UNCAS (QUAL2EU) computer program was used to simulate the water quality processes in the Chicago waterway and Upper Illinois River Systems. Rates and parameters were developed, calibrated, and verified to six separate sampling events. The processes simulated included nitrification, carbonaceous biochemical oxygen demand (CBOD), sediment oxygen demand (SOD), phosphorus transformation, algal respiration and photosynthesis, and atmospheric, dam, and Sidestream Elevated Pool Aeration (SEPA) reaeration.

Subject Headings: Water quality | Waterways | Computer models | River systems | Hydrologic models | Computer analysis | Computer software | Oxygen demand | Aeration | North America | Illinois | United States | Chicago

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