This report summarizes data collected by the Illinois Water Inventory Program for calendar year 2011. Water use data are presented for public water supply and self-supplied industry facilities within Illinois. The data are further categorized by county, township, Illinois priority planning areas, and within two major Illinois withdrawal areas: Chicago and central Illinois. Illinois water withdrawals during 2011 were 53,428.6 million gallons per day (mgd), of which groundwater supplied 513.4 mgd and surface water supplied 52,915.2 mgd. Public water supply (PWS) withdrew 1,508.3 mgd and self-supplied-industry (SSI) withdrew 51,920.3 mdg. Electric power generation is the largest water use in Illinois with 96.3 percent of the total water withdrawal. Excluding electric power withdrawals, 2011 groundwater use was 508.5 mgd, and surface water use was 1,489.8 mgd.
|Original language||English (US)|
|State||Published - 2014|
|Name||ISWS Circular 186|