Clean Watersheds Needs Survey 2012 Distribution of total official needs by State (January 2012 dollars in billions) Arizona Total documented needs = $271.0 Billion Range ¦—I ! I I I I I I I >$25B $5-$25B $2.5-$5B S1-S2.5B <$1B Did not participate Category I Secondary Wastewater Treatment $269M, 4.0% Category X Recycled Water Distribution $978M, 14.4% Category VI Stormwater Management Program $42M, <1% Category IV New Conveyance Systems $1,546M, 22. 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). Arizona did not have the resources to complete the updating of their data for the 2004 Survey. Visit www.epa.gov/CWNS for more information. CWNS 2012 Arizona documented needs by category (January 2012 dollars in millions). Category II Advanced Wastewater Treatment $3,290M, 48.6% Category $M Percent 1 Secondary Wastewater Treatment 269 4.0 !! Advanced Wastewater Treatment 3,290 48.6 III Conveyance System Repair 651 9.6 iV New Conveyance Systems 1,546 22.8 V Combined Sewer Overflow Correction nr nr VI Stormwater Management Program 42 <1 X Recycled Water Distribution 978 14.4 Total 6,776 100.0 Category I Conveyance System Repair $651M, 9.6% Improvements in treatment level of Arizona's publicly-owned wastewater treatment plants. Population served in millions (number of facilities) Population change from 2008-2012 Projected population change from 2012-2032 Level of treatment 2004" 2008" 2012" 2032 Lessthan Secondary3 -(0) -(0) -(0) -(0) - - Secondary 0.1 (16) 2.1 (17) 1.8(15) 2.1 (11) -13.8% 16.4% Greater than Secondary 3.3(19) 0.8 (17) 1,1 (32) 1,8(39) 37.8% 58.2% No Discharge 1.6(74) 2.5 (86) 1.7 (84) 3.8 (103) -32.4% 130.5% Partial Treatment -(4) -d) -(0) -(0) - - Total 4.9 (113) 5.4 (121) 4.6 (131) 7.8 (153) -14.3% 67.6% a 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. b This table contains best available information from States and Territories that did not have the resources to complete the updating of the data or did not participate in the CWNS 2004 or 2008. In these circumstances, information for this table was taken from previous surveys. Total Arizona needs for the 2004-2012 CWNS by category (January 2012 dollars in millions). 3,500 3,000 2,500 O = 2,000 £, (£ 1,500 j§ O 1,000 1,500 1,000—^ 500 —J oiTjEB | 12004 ~ 2008 ~ 2012 11 Needs Category ------- |