Regional Water Demand Forecast for Northeastern Illinois, 2020-2050 (2024)

Completed in 2024, this regional water demand forecast is for the seven-county CMAP region: Cook, DuPage, Kane, Kendall, Lake, McHenry, and Will Counties. The forecast was created using public water supply, industrial, institutional, and commercial self-supply self-reported data to the Illinois Water Inventory Program. Download an Excel workbook for a formatted version of this data. For more information on the forecast results and methodology, see the Regional Water Demand Forecast for Northeastern Illinois, 2020-2050. *All values are in Millions of Gallons per Day (MGD) unless otherwise noted.