| De Pue | Depue | 0.2 |
| Grayville Stp, City Of | Grayville | 0.2 |
| Wood Dale South STP | Wood Dale | 0.19 |
| Freeburg West Stp, Village Of | Freeburg | 0.19 |
| Shannon WWTP | Shannon | 0.18 |
| Lena Stp, Village Of | Lena | 0.18 |
| Arcola Stp, City Of | Arcola | 0.18 |
| New Baden Stp, Village Of | New Baden | 0.18 |
| Roodhouse Stp, City Of | Roodhouse | 0.18 |
| Steeleville STP | Steeleville | 0.18 |
| Holiday Shores Sanitary District STP | Edwardsville | 0.18 |
| Tuscola - Southside STP | Tuscola | 0.18 |
| Hinckley Stp, Village Of | Hinckley | 0.17 |
| Heyworth Stp, Village Of | Heyworth | 0.17 |
| Danvers Stp, Village Of | Danvers | 0.17 |
| New Lenox STP #3, Village Of | New Lenox | 0.15 |
| Prophetstown Stp, City Of | Prophetstown | 0.15 |
| Victoria Stp, Village Of | Victoria | 0.15 |
| Aledo South Stp, City Of | Aledo | 0.15 |
| Bement Stw, Village Of | Bement | 0.15 |
| Riverton STP | Riverton | 0.15 |
| North Utica Stp, Village Of | Utica | 0.15 |
| Illinois American Water - Fisher STP | Fisher | 0.14 |
| Wenona Municipal Sewage Treatment Facility | Wenona | 0.14 |
| Petersburg Stp, City Of | Petersburg | 0.14 |
| Newton Stw | Newton | 0.14 |
| Arthur Stp, Village Of | Arthur | 0.14 |
| Capron Wwtp, Village Of | Capron | 0.14 |
| Palmyra STP | Palmyra | 0.14 |
| Kirkland Stp, Village Of | Kirkland | 0.14 |
| Bushnell West STP | Bushnell | 0.14 |
| El Paso Stp, City Of | El Paso | 0.14 |
| Lacon Stp, City Of | Lacon | 0.14 |
| Pecatonica Wwtp, Village Of | Pecatonica | 0.14 |
| Sheffield Stp, Village Of | Sheffield | 0.13 |
| South Wilmington East Brooklyn STP | South Wilmington | 0.13 |
| Galva Northeast STP | Galva | 0.13 |
| Mcleansboro Stp, Village Of | Mcleansboro | 0.13 |
| Wyoming Stp, City Of | Wyoming | 0.13 |
| City Of Nauvoo Stw | Nauvoo | 0.13 |
| Lewistown WWTP | Lewistown | 0.12 |
| Williamsville East Stp, Village Of | Williamsville | 0.12 |
| Mount Carroll Stp, City Of | Mt. Carroll | 0.12 |
| Stewardson Stp, Village Of | Stewardson | 0.12 |
| Dieterich Stp, Village Of | Dieterich | 0.12 |
| Maple Park Stp, Village Of | Maple Park | 0.11 |
| Earlville Stp, City Of | Earlville | 0.11 |
| Carrier Mills Stp, Village Of | Carrier Mills | 0.11 |
| Crainville Stp, Village Of | Carterville | 0.11 |
| Fairbury Stw, City Of | Fairbury | 0.11 |
| Atkinson Stp, Village Of | Atkinson | 0.11 |
| Odin STP | Odin | 0.11 |
| Wonder Lake Water Reclamation Facility | Wonder Lake | 0.11 |
| Kincaid STP | Kincaid | 0.11 |
| Keithsburg Stp, Village Of | Keithsburg | 0.11 |
| Athens Stp, City Of | Athens | 0.11 |
| Gardner STP | Gardner | 0.11 |
| Benld Stp, City Of | Benld | 0.11 |
| Oak Highlands-Ingalls Park Sd STP | Joliet | 0.11 |
| Warren STP | Warren | 0.11 |
| Marine Stp, Village Of | Marine | 0.11 |
| Lovington Stp, Village Of | Lovington | 0.1 |
| New Haven Stp, Village Of | New Haven | 0.1 |
| Summerfield WWTF | Summerfield | 0.1 |
| Mount Olive North STP | Mount Olive | 0.1 |
| Durand Sd STP | Durand | 0.1 |
| Herscher Stp, Village Of | Herscher | 0.1 |
| Bethany Stp, Village Of | Bethany | 0.1 |
| Colchester Stp, City Of | Colchester | 0.1 |
| Ashton Stp, Village Of | Ashton | 0.09 |
| Rossville Stp, Village Of | Rossville | 0.09 |
| Bushnell East Lagoon Treatment Plant | Bushnell | 0.09 |
| Oakland Stp, City Of | Oakland | 0.09 |
| Dunfermline - St. David WWTP | Saint David | 0.09 |
| Granville Stp, Village Of | Granville | 0.09 |
| Metamora South Stp, Village Of | Metamora | 0.09 |
| Woodhull - South Stp, Village Of | Woodhull | 0.09 |
| Bradford Stp, Village Of | Bradford | 0.09 |
| Germantown Stp, Village Of | Germantown | 0.09 |
| Sandoval Stp, Village Of | Sandoval | 0.09 |
| Virginia Stp, City Of | Virginia | 0.09 |
| Wayne City South STP | Wayne City | 0.09 |
| Wyanet Stp, Village Of | Wyanet | 0.09 |
| Hanover Stp, Village Of | Hanover | 0.09 |
| Mount Pulaski Stp, City Of | Mount Pulaski | 0.09 |
| Albers Stp, Village Of | Albers | 0.09 |
| Milledgeville Stp, Village Of | Milledgeville | 0.09 |
| Pawnee Stp, Village Of | Pawnee | 0.09 |
| Bunker Hill Stp, City Of | Bunker Hill | 0.09 |
| Somonauk STP | Somonauk | 0.09 |
| Freeburg East Stp, Village Of | Freeburg | 0.09 |
| White City Stp, Village Of | White City | 0.09 |
| Worden - Stp, Village Of | Worden | 0.09 |
| Yates City Northwest Stp, Village Of | Yates City | 0.09 |
| Colfax Stp, Village Of | Colfax | 0.08 |
| Forreston Stw, Village Of | Forreston | 0.08 |
| Hebron Wwtp, Village Of | Hebron | 0.08 |
| Forrest Stp, Village Of | Forrest | 0.08 |
| Toledo Stp, Village Of | Toledo | 0.08 |
| Ridgway Stp, Village Of | Ridgway | 0.08 |
| Aledo North Wwtp, City Of | Aledo | 0.08 |
| Annawan - Stp, Village Of | Annawan | 0.08 |
| Dongola Stp, Village Of | Dongola | 0.08 |
| East Dubuque Stp, City Of | East Dubuque | 0.08 |
| Nokomis Stp, City Of | Nokomis | 0.08 |
| Odell Stp, Village Of | Odell | 0.08 |
| St. Anne - Stp, Village Of | Saint Anne | 0.08 |
| Morrisonville Stp, Village Of | Morrisonville | 0.08 |
| Thayer Stp, Village Of | Thayer | 0.08 |
| Deer Creek Stp, Village Of | Deer Creek | 0.08 |
| Hamel Stp, Village Of | Hamel | 0.08 |
| Waltonville Stp, Village Of | Waltonville | 0.08 |
| Iola Stp, Village Of | Iola | 0.08 |
| Walnut Stp, Village Of | Walnut | 0.08 |
| Clifton Wwtp, Village Of | Clifton | 0.07 |
| Ipava Stp, Village Of | Ipava | 0.07 |
| Laharpe Stp, City Of | Laharpe | 0.07 |
| Aviston Stp, Village Of | Aviston | 0.07 |
| Chenoa Stp, City Of | Chenoa | 0.07 |
| Flanagan Sewage Treatment Plant | Flanagan | 0.07 |
| Germantown Hills Stp, Village Of | Metamora | 0.07 |
| Tamms WWTP | Tamms | 0.07 |
| New Memphis Sd STP | New Baden | 0.07 |
| Illiopolis Stp, Village Of | Illiopolis | 0.07 |
| Toulon Stp, City Of | Toulon | 0.07 |
| Apple River Stp, Village Of | Apple River | 0.07 |
| Delavan Stp, City Of | Delavan | 0.07 |
| Avon Stp, Village Of | Avon | 0.07 |
| Okawville STP | Okawville | 0.07 |
| Washburn STP | Washburn | 0.07 |
| Buda Stp, Village Of | Buda | 0.07 |
| Cissna Park Stw, Village Of | Cissna Park | 0.07 |
| Martinsville Stp, City Of | Martinsville | 0.06 |
| Joy Stp, Village Of | Joy | 0.06 |
| Williamsfield WWTP | Williamsfield | 0.06 |
| Gillespie Stp, Village Of | Gillespie | 0.06 |
| Manito Stp, Village Of | Manito | 0.06 |
| Jonesboro Stp, City Of | Jonesboro | 0.06 |
| Assumption Stp, City Of | Assumption | 0.06 |
| Cuba WWTF | Cuba | 0.06 |
| Hoyleton Stp, Village Of | Hoyleton | 0.06 |
| Irvington WWTP | Irvington | 0.06 |
| West City Stp, Village Of | Benton | 0.06 |
| Dunlap, Village Of | Dunlap | 0.06 |
| Havana Stw, City Of | Havana | 0.06 |
| Illinois American Water - Rosiclare WWTP | Rosiclare | 0.06 |
| Newark Sd STP | Newark | 0.06 |
| Tremont Stp, Village Of | Tremont | 0.06 |
| Girard WWTP | Girard | 0.06 |
| Maroa Stp, City Of | Maroa | 0.06 |
| New Berlin Stp, Village Of | New Berlin | 0.06 |
| Energy Stp, Village Of | Energy | 0.06 |
| Mazon Stp, Village Of | Mazon | 0.05 |
| Onarga Stp, Village Of | Onarga | 0.05 |
| Illinois American Water - Grafton STP | Grafton | 0.05 |
| Tampico Stp, Village Of | Tampico | 0.05 |
| Goodfield STP | Goodfield | 0.05 |
| Bartelso Stp, Village Of | Bartelso | 0.05 |
| Tonica Stp, Village Of | Tonica | 0.05 |
| Aqua Illinois - Grant Park STP | Grant Park | 0.05 |
| Lamoille Stp, Village Of | Lamoille | 0.05 |
| Neponset Stp, Village Of | Neponset | 0.05 |
| Baldwin STP | Baldwin | 0.05 |
| Campbell Hill Stp, Village Of | Campbell Hill | 0.05 |
| Hennepin Power Station | Hennepin | 0.05 |
| Sherrard Stp, Village Of | Sherrard | 0.05 |
| Wataga - Stp, Village Of | Wataga | 0.05 |
| Ramsey Stp, Village Of | Ramsey | 0.05 |
| Shipman STP | Shipman | 0.05 |
| Homer WWTP | Homer | 0.05 |
| South Pekin Stp, Village Of | South Pekin | 0.05 |
| Table Grove Stp, Village Of | Table Grove | 0.05 |
| Stronghurst Stp, Village Of | Stronghurst | 0.05 |
| Oneida Sanitary District - North STP | Oneida | 0.05 |
| Oneida Sanitary District South - STP | Oneida | 0.05 |
| Hopedale Stp, Village Of | Hopedale | 0.04 |
| Albany WWTP | Albany | 0.04 |
| Kirkwood Stp, Village Of | Kirkwood | 0.04 |
| New Minden Stp, Village Of | Nashville | 0.04 |
| Brookport STP | Brookport | 0.04 |
| Leaf River - WWTP | Leaf River | 0.04 |
| Prairie Du Rocher, Village Of | Prairie Du Rocher | 0.04 |
| Chadwick Stp, Village Of | Chadwick | 0.04 |
| Dalzell STP | Dalzell | 0.04 |
| Goreville Stp, Village Of | Goreville | 0.04 |
| Hoffman, Village Of | Hoffman | 0.04 |
| Payson STP | Payson | 0.04 |
| Richview Stp, Village Of | Richview | 0.04 |
| Tiskilwa Stp, Village Of | Tiskilwa | 0.04 |
| Alexis STP | Alexis | 0.04 |
| London Mills Wwtp, Village Of | London Mills | 0.04 |
| Tower Hill Stp, Village Of | Tower Hill | 0.04 |
| Ogden Stp, Village Of | Ogden | 0.04 |
| Paw Paw Stp, Village Of | Paw Paw | 0.04 |
| Warsaw Stw | Warsaw | 0.04 |
| Harristown Stp, Village Of | Harristown | 0.04 |
| Chrisman Stp, City Of | Chrisman | 0.04 |
| Galatia Stp, Village Of | Galatia | 0.04 |
| Kinmundy Stp, City Of | Kinmundy | 0.04 |
| Erie STP | Erie | 0.03 |