Clean Watersheds Needs Survey 2012 Distribution of total official needs by State (January 2012 dollars in billions) Total documented needs = $271.0 Billion Range I 1 I 1 I 1 1 1 I 1 >$25B $5-$25B $2.5-$5B $1-$2.5B <$1B Did not participate Illinois The Clean Watersheds Needs Survey (CWNS) is a comprehensive assessment of needs to meet the water quality and water-related public health goals of the Clean Water Act (CWA). States and the U.S. Environmental Protection Agency (EPA) conduct the CWNS every four years under CWA Section 516 (b). Visit www.epa.gov/CWNS for more information. Category Percent I Secondary Wastewater Treatment II Advanced Wastewater Treatment III Conveyance System Repair iV New Conveyance Systems V Combined Sewer Overflow Correction VI Stormwater Management Program X Recycled Water Distribution Category VI Stormwater Management Program $88M, 1.3% Category V Combined Sewer Overflow Correction $1,632M, 25.0% Category II Advanced Wastewater Treatment $223M. 3.4% Category IV New Conveyance Systems $587M, 9.0% Category III Conveyance System Repair $1,120M, 17.1% Category I Secondary Wastewater Treatment $2,886M, 44.1% CWNS 2012 Illinois documented needs by category (January 2012 dollars in millions). Improvements in treatment level of IIDinois's publicly-owned wastewater treatment plants. Population served in millions (number of facilities) Projected Level of treatment 2004 2008 2012 2032 from 2008-2012 from 2012-2032 Less than Secondary8 -(0) -(0) -(0) -(0) - - Secondary 0.7 (417) 0.7 (384) 0.6 (173) 0,7 (174) -13.3% 18.3% Greater than Secondary 10.1 (297) 10.7 (285) 10.4 (233) 11.9 (273) -2.1% 14.2% No Discharge <0.1(2) <0.1(4) <0.1 (10) <0.1 (13) 58.9% 160.1% Partial Treatment -(5) "(2) -(0) -(0) - - Total 10.8 (721) 11.4 (675) 11.1 (416) 12.7 (460) ¦2.8% 14.7% * Includes facilities granted section 301(h) waivers from secondary treatment for discharges to marine waters. As of January 1, 2012 waivers for 36 facilities in the CWNS 2012 database had been granted or were pending. Total Illinois needs for the 2004-2012 CWNS by category (January 2012 dollars in millions). 14,000 13,000 12,000 11,000 10,000 9,000 8,000 7,000 6,000 5,000 4,000 3,000 2,000 1,000 0 I 12004 ~ 2008 ~~2012 Needs Category ------- |