| Pierron East Stp, Village Of | Pierron | 0.01 |
| New Grand Chain Stp, Village Of | New Grand Chain | 0.01 |
| Muddy Stp, Village Of | Muddy | 0.0091 |
| Medora Stp, Village Of | Medora | 0.0091 |
| Hopkins Park Wtp, Village Of | Hopkins Park | 0.009 |
| Ullin Stp, Village Of | Ullin | 0.0089 |
| Grand Tower Stp, City Of | Grand Tower | 0.0088 |
| Cambria Stp, Village Of | Cambria | 0.0083 |
| East Cape Girardeau | East Cape Girardeau | 0.008 |
| Kenney STP | Kenney | 0.008 |
| Radom Stp, Village Of | Radom | 0.0076 |
| Jeffersonville Stp, Village Of | Geff | 0.0075 |
| Cutler Stp, Village Of | Cutler | 0.0069 |
| Gorham Sd Stp, Village Of | Gorham | 0.0068 |
| Golconda, City Of | Golconda | 0.0064 |
| Karnak Stp, Village Of | Karnak | 0.0063 |
| Joppa Sanitary District Stp, Village Of | Joppa | 0.006 |
| Claremont Stp, Village Of | Claremont | 0.0057 |
| Hettick Stp, Village Of | Hettick | 0.0056 |
| Hecker Stw, Village Of | Hecker | 0.0051 |
| Clearview Sanitary District - STP | Bloomington | 0.005 |
| Wataga South Stp, Village Of | Wataga | 0.005 |
| Saint Francisville SW STP | Saint Francisville | 0.0049 |
| Alto Pass Stp, Village Of | Alto Pass | 0.0048 |
| Maeystown Stp, Village Of | Maeystown | 0.0044 |
| Eddyville Stp, Village Of | Eddyville | 0.0044 |
| Dubois Stp, Village Of | Du Bois | 0.0044 |
| Cave In Rock STP | Cave In Rock | 0.004 |
| Dahlgren, Village Of | Dahlgren | 0.0038 |
| Noble Stp, Village Of | Noble | 0.0034 |
| Royal Lakes Stp, Village Of | Royal Lakes | 0.0034 |
| Belle Rive Stp, Village Of | Belle Rive | 0.0032 |
| Ellis Grove Stp, Village Of | Ellis Grove | 0.0031 |
| Perks Stp, County Of Pulaski | Perks | 0.0031 |
| Tennessee Wwtp, Village Of | Tennessee | 0.003 |
| Vergennes-Stp, Village Of | Vergennes | 0.003 |
| Elizabethtown Stp, Village Of | Elizabethtown | 0.0029 |
| Waynesville Stp, Village Of | Waynesville | 0.0028 |
| Cypress Stp, Village Of | Cypress | 0.0026 |
| Addieville STP | Addieville | 0.001 |
| Bellmont Stp, Village Of | Bellmont | 0.001 |
| Browns Stp, Village Of | Browns | 0.001 |
| Chesterfield STP | Chesterfield | 0.00074 |
| Greenfield Wastewater Treatment Plant | Greenfield | 0.00031 |
| Catlin Stp, Village Of | Catlin | — |
| City Of Red Bud | Red Bud | — |
| Cowden STP | Cowden | — |
| Dongola Stp, Village Of | Dongola | — |
| Equality Stp, Village Of | Equality | — |
| Hutsonville STP | Hutsonville | — |
| Itasca Stp, Village Of | Itasca | — |
| Joliet Eastside Stp, City Of | Joliet | — |
| Knoxville STP | Knoxville | — |
| Lacon Stp, City Of | Lacon | — |
| Lockport Stw | Lockport | — |
| Loraine Stp, Village Of | Loraine | — |
| Macon Stp, City Of | Macon | — |
| Monmouth Main STP | Monmouth | — |
| Nebo Stp, Village Of | Nebo | — |
| Park Forest Excess Flow Facility | Park Forest | — |
| Pierron West Stp, Village Of | Pierron | — |
| Ridge Farm Stp, Village Of | Ridge Farm | — |
| Sullivan STP | Sullivan | — |
| Ware Sanitary Corporation STP | Ware | — |