| Monroeville WWTP | Monroeville | 254.94 |
| Indianapolis Belmont WWTP | Indianapolis | 97.16 |
| Water Pollution Control Plant | Fort Wayne | 40.88 |
| Gary Sanitary District | Gary | 36.33 |
| Saniatry District Of Hammond | Hammond | 28.49 |
| City Of South Bend Wastewater Treatment Plant | South Bend | 25.03 |
| Lafayette WWTP | Lafayette | 17.73 |
| Muncie Water Pollution Control Facility | Muncie | 16.63 |
| Evansville Westside WWTP | Evansville | 11.7 |
| Dillman Waste Water Treatment Plant | Bloomington | 11.38 |
| Elkhart Public Works And Utilities | Elkhart | 10.38 |
| Mishawaka Wastewater Treatment Plant | Mishawaka | 10.17 |
| City Of Kokomo Waste Water Treatment Facility | Kokomo | 9.78 |
| Anderson WWTP | Anderson | 9.77 |
| East Chicago Sanitary District | East Chicago | 8.95 |
| Carmel WWTP | Indianapolis | 8.23 |
| Columbus Wwtp, City Of | Columbus | 7.89 |
| Fishers Cheeney Creek WWTP | Fishers | 7.5 |
| West Lafayette WWTP | West Lafayette | 7.45 |
| Noblesville Wwtp, City Of | Noblesville | 6.91 |
| New Albany WWTP | New Albany | 6.33 |
| Richmond Wwtp, City Of | Richmond | 5.51 |
| Schererville WWTP | Schererville | 5.22 |
| Jeffersonville Municipal WWTP | Jeffersonville | 5.21 |
| Elden Kuehl Pollution Control Facility | Valparaiso | 4.87 |
| Shelbyville Wwtp, City Of | Shelbyville | 4.69 |
| Seymour Wastewater Treatment Facility | Seymour | 4.21 |
| Citizens Wastewater Of Westfield Llc Plant Capacity Expansion | Westfield | 4.06 |
| City Of La Porte - Wastewater Treatment Plant | La Porte | 4 |
| Franklin Wwtp, City Of | Franklin | 3.9 |
| Peru Utilities WWTP | Peru | 3.89 |
| Vincennes Wastewater Treatment Facility | Vincennes | 3.83 |
| New Castle WWTP | New Castle | 3.55 |
| Frankfort Wwtp, City Of | Frankfort | 3.49 |
| Portage Utility Service Facility WWTP | Portage | 3.43 |
| Goshen City Waste Water Treatment Plant Improvements | Goshen | 3.38 |
| Elwood Wwtp, City Of | Elwood | 3.29 |
| South Dearborn Rsd | Lawrenceburg | 3.23 |
| Washington WWTP | Washington | 3.2 |
| Connersville Wastewater Treatment Plant Lift Station Dewatering Project | Connersville | 3.16 |
| Crown Point 2021 Wastewater Utility Improvements Divisions A And C | Crown Point | 3.15 |
| Huntington WWTP | Huntington | 3.1 |
| Warsaw WWTP | Warsaw | 3.07 |
| Newburgh WWTP | Newburgh | 3.02 |
| Brownsburg WWTP | Brownsburg | 2.85 |
| Lebanon WWTP | Lebanon | 2.76 |
| Nappanee Wwtp, City Of | Nappanee | 2.63 |
| Chesterton WWTP | Chesterton | 2.38 |
| West Central Conservancy Dist | Avon | 2.18 |
| Mount Vernon WWTP | Mount Vernon | 2.16 |
| Boonville WWTP | Boonville | 2.12 |
| Columbia City Water Department | Columbia City | 2.06 |
| Plainfield North Water Pollution Control Facility | Plainfield | 2.02 |
| Hendricks County Rsd | Avon | 2.02 |
| Wabash WWTP | Wabash | 1.95 |
| Alexandria WWTP | Alexandria | 1.71 |
| Sullivan WWTP | Sullivan | 1.63 |
| City Of Madison, POTW | Madison | 1.62 |
| Bluffton Wastewater Treatment Facility | Bluffton | 1.56 |
| Kendallville WWTP | Kendallville | 1.49 |
| Sellersburg WWTP Rehab & Expansion | Sellersburg | 1.46 |
| Whitestown South WWTP | Whitestown | 1.43 |
| Rushville WWTP | Rushville | 1.42 |
| Tell City WWTP | Tell City | 1.42 |
| Ellettsville Municipal WWTP | Ellettsville | 1.42 |
| Decatur WWTP | Decatur | 1.42 |
| North Vernon WWTP | North Vernon | 1.41 |
| Tipton Utilities | Tipton | 1.38 |
| Dyer Wastewater Treatment Plant | Dyer | 1.38 |
| Hartford City WWTP | Hartford City | 1.37 |
| Mooresville, Town Of | Mooresville | 1.35 |
| Martinsville WWTP | Martinsville | 1.28 |
| Portland WWTP | Portland | 1.25 |
| Scottsburg WWTP | Scottsburg | 1.24 |
| Zionsville WWTP | Zionsville | 1.07 |
| Butler WWTP | Butler | 1.05 |
| Bargersville Municipal WWTP | Bargersville | 1.03 |
| Crothersville WWTP | Crothersville | 1 |
| Yorktown Wwtp, Town Of | Yorktown | 0.98 |
| Western Wayne Regional Sewer District WWTP | Cambridge City | 0.97 |
| Winchester WWTP | Winchester | 0.97 |
| Salem WWTP | Salem | 0.95 |
| Huntingburg Municipal WWTP | Huntingburg | 0.95 |
| Angola WWTP | Angola | 0.94 |
| Cumberland WWTP | Cumberland | 0.93 |
| Gas City WWTP | Gas City | 0.84 |
| Linton WWTP | Linton | 0.82 |
| Bicknell Municipal WWTP | Bicknell | 0.81 |
| Burns Harbor & Arcelormittal Burns Harbor Llc | Burns Harbor | 0.81 |
| Austin WWTP | Austin | 0.78 |
| Mccordsville Waste Water Treatment Plant | Mccordsville | 0.74 |
| Pittsboro WWTP | Pittsboro | 0.71 |
| Prince'S Lakes WWTP | Edinburgh | 0.71 |
| Batesville Wwtp, City Of | Batesville | 0.69 |
| Peru Utilities/grissom | Peru | 0.68 |
| North Manchester WWTP | North Manchester | 0.67 |
| Westville WWTP | Westville | 0.65 |
| Westport WWTP | Westport | 0.63 |
| Farmland Municipal STP | Farmland | 0.63 |
| Rockville WWTP | Rockville | 0.63 |
| Garrett WWTP | Garrett | 0.61 |
| Middlebury WWTP | Middlebury | 0.61 |
| Cicero Wastewater Treatment Plant Expansion Project | Cicero | 0.59 |
| Berne WWTP | Berne | 0.58 |
| French Lick Municipal WWTP | West Baden Springs | 0.57 |
| Ligonier WWTP | Ligonier | 0.57 |
| Ossian Wwtp, Town Of | Ossian | 0.55 |
| Whiteland WWTP | Whiteland | 0.54 |
| Fairmount WWTP | Fairmount | 0.54 |
| Union City WWTP | Union City | 0.53 |
| Dunkirk WWTP | Dunkirk | 0.52 |
| Mitchell Wastewater Treatment Plant | Mitchell | 0.52 |
| Edinburgh WWTP | Edinburgh | 0.49 |
| Petersburg Municipal WWTP | Petersburg | 0.47 |
| Tennyson Water Utility | Tennyson | 0.47 |
| Town Of Fort Branch WWTP | Fort Branch | 0.47 |
| Santa Claus Wastewater Treatment Plant | Santa Claus | 0.46 |
| Frankton WWTP | Frankton | 0.45 |
| Lyons Municipal WWTP | Lyons | 0.44 |
| Hanover WWTP | Hanover | 0.44 |
| Fortville WWTP | Fortville | 0.44 |
| Van Bibber Lake Conservancy District | Greencastle | 0.42 |
| Patoka Lake Regional Water-Treatment Plant #1 | Dubois | 0.42 |
| Chesterfield WWTP | Chesterfield | 0.42 |
| Winfield WWTP | Crown Point | 0.42 |
| Royal Center WWTP | Royal Center | 0.41 |
| Knightstown WWTP | Knightstown | 0.41 |
| Syracuse Water Company-Treatment Plant #4 | Syracuse | 0.41 |
| Middletown WWTP | Middletown | 0.4 |
| Spencer Municipal WWTP | Spencer | 0.4 |
| Jasonville Municipal WWTP | Jasonville | 0.39 |
| Paoli Municipal WWTP | Paoli | 0.37 |
| Morristown WWTP | Morristown | 0.37 |
| Upland WWTP | Upland | 0.36 |
| La Crosse Wastewater Treatment Plant | La Crosse | 0.36 |
| Wakarusa WWTP | Wakarusa | 0.36 |
| Fremont Wastewater Treatment Plant | Fremont | 0.35 |
| Kentland WWTP | Kentland | 0.35 |
| Bristol Water Department-Treatment Plant #1 | Bristol | 0.35 |
| Churubusco Municipal STP | Churubusco | 0.35 |
| Montpelier WWTP | Montpelier | 0.35 |
| Odon WWTP | Odon | 0.34 |
| Turkey Creek Regional Sewer District-Treatment Plant | Cromwell | 0.34 |
| Warren WWTP | Warren | 0.34 |
| Veedersburg Municipal Water Supply | Veedersburg | 0.34 |
| Rossville WWTP | Rossville | 0.34 |
| Nashville WWTP | Nashville | 0.33 |
| Camden Municipal WWTP | Camden | 0.33 |
| North Webster WWTP | North Webster | 0.33 |
| Haubstadt WWTP | Haubstadt | 0.33 |
| Oakland City WWTP | Oakland City | 0.32 |
| Clear Creek Conservancy District | Coatesville | 0.32 |
| New Whiteland Waste Water Tre | New Whiteland | 0.32 |
| Lapel WWTP | Lapel | 0.32 |
| New Palestine WWTP | New Palestine | 0.32 |
| Cloverdale Municipal WWTP | Cloverdale | 0.32 |
| Knox Municipal WWTP | Knox | 0.32 |
| Versailles Lagoons | Versailles | 0.31 |
| Centerville WWTP | Centerville | 0.31 |
| Corydon WWTP | Corydon | 0.31 |
| Mentone Municipal Sewage Treatment Plant | Mentone | 0.3 |
| Ferdinand Wastewater Treatment Plant | Ferdinand | 0.3 |
| Demotte Municipal WWTP | Demotte | 0.3 |
| Remington WWTP | Remington | 0.3 |
| North Judson Municipal WWTP | North Judson | 0.29 |
| Brookville WWTP | Brookville | 0.29 |
| Brownstown WWTP | Brownstown | 0.29 |
| Arcadia Wwtp, Town Of | Arcadia | 0.28 |
| Georgetown Water Reclamation Facility | Georgetown | 0.28 |
| Twin Lakes Rsd/big Monon Bay | Monticello | 0.28 |
| Flora Municipal WWTP | Flora | 0.28 |
| Hebron Wastewater Treatment Plant | Hebron | 0.27 |
| Milan WWTP | Milan | 0.27 |
| Albany WWTP | Albany | 0.27 |
| Fountain City Water Works | Fountain City | 0.26 |
| Liberty WWTP | Liberty | 0.26 |
| Bloomfield Municipal WWTP | Bloomfield | 0.26 |
| Redkey WWTP | Redkey | 0.26 |
| Avilla Wwtp, Town Of | Avilla | 0.25 |
| Shelburn Municipal WWTP | Shelburn | 0.25 |
| Winamac WWTP | Winamac | 0.25 |
| Culver Wastewater Treatment Plant | Culver | 0.24 |
| Monrovia WWTP | Monrovia | 0.24 |
| Rockport South WWTP | Rockport | 0.24 |
| Borden Wwtp, Town Of | Borden | 0.23 |
| Andrews Wwtp, Town Of | Andrews | 0.23 |
| Woodburn Municipal Waste Water Treatment Plant | Woodburn | 0.22 |
| St Leon Municipal WWTP | West Harrison | 0.22 |
| Eaton WWTP | Eaton | 0.22 |
| Grandview Municipal Water Utility | Grandview | 0.22 |
| Albion WWTP | Albion | 0.22 |
| Greentown WWTP | Greentown | 0.21 |
| Brookston Water Department-Treatment Plant | Brookston | 0.21 |
| Walkerton Municipal WWTP | Walkerton | 0.2 |
| Atlanta Water Dept | Atlanta | 0.2 |
| Battle Ground Municipal WWTP | Battle Ground | 0.2 |
| West Terre Haute WWTP | West Terre Haute | 0.2 |
| Attica Municipal WWTP | Attica | 0.2 |
| Osgood WWTP | Osgood | 0.2 |
| Trafalgar WWTP | Trafalgar | 0.2 |