Search Results:
Largest utilities by state:
| Utility name | City | People served |
|---|---|---|
| Addison | Addison | Population served: 36,942 |
| Algonquin | Algonquin | Population served: 30,400 |
| Alsip | Alsip | Population served: 18,880 |
| Antioch | Antioch | Population served: 14,365 |
| Aqua Illinois - Kankakee | Kankakee | Population served: 80,275 |
| Aqua Illinois-Vermilion County | Kankakee | Population served: 38,000 |
| Arlington Heights | Arlington Heights | Population served: 79,000 |
| Aurora | Aurora | Population served: 200,500 |
| Barrington | Barrington | Population served: 10,327 |
| Bartlett | Bartlett | Population served: 41,208 |
| Batavia | Batavia | Population served: 26,345 |
| Bellwood | Bellwood | Population served: 19,107 |
| Belvidere | Belvidere | Population served: 25,070 |
| Bensenville | Bensenville | Population served: 20,703 |
| Berwyn | Berwyn | Population served: 56,657 |
| Bethalto | Bethalto | Population served: 17,500 |
| Bloomingdale | Bloomingdale | Population served: 22,299 |
| Bloomington | Bloomington | Population served: 77,610 |
| Blue Island | Blue Island | Population served: 23,463 |
| Bridgeview | Bridgeview | Population served: 16,446 |
| Brookfield | Brookfield | Population served: 18,978 |
| Buffalo Grove | Buffalo Grove | Population served: 41,266 |
| Burr Ridge | Burr Ridge | Population served: 10,559 |
| Calumet City | Calumet City | Population served: 37,000 |
| Canton | Canton | Population served: 14,700 |
| Carbondale | Carbondale | Population served: 26,138 |
| Carol Stream | Carol Stream | Population served: 40,610 |
| Carpentersville | Carpentersville | Population served: 38,162 |
| Cary | Cary | Population served: 18,271 |
| Caseyville | Caseyville | Population served: 17,000 |
| Centralia | Centralia | Population served: 14,274 |
| Charleston | Charleston | Population served: 16,400 |
| Chatham | Chatham | Population served: 14,820 |
| Chicago Heights | Chicago Heights | Population served: 30,392 |
| Chicago Ridge | Chicago Ridge | Population served: 14,214 |
| Cicero | Cicero | Population served: 83,000 |
| City of Chicago | Chicago | Population served: 2,700,000 |
| Collinsville | Collinsville | Population served: 29,500 |
| Columbia | Columbia | Population served: 11,638 |
| Commonfields of Cahokia PWD | Cahokia | Population served: 11,030 |
| Country Club Hills | Country Club Hills | Population served: 16,169 |
| Crest Hill | Crest Hill | Population served: 21,169 |
| Crestwood | Crestwood | Population served: 10,950 |
| Crystal Lake | Crystal Lake | Population served: 40,743 |
| Darien | Darien | Population served: 22,061 |
| De Kalb | Dekalb | Population served: 45,000 |
| Decatur | Decatur | Population served: 76,122 |
| Deerfield | Deerfield | Population served: 18,400 |
| Des Plaines | Des Plaines | Population served: 58,710 |
| Dixon | Dixon | Population served: 16,000 |
| Dolton | Dolton | Population served: 23,333 |
| Downers Grove | Downers Grove | Population served: 47,908 |
| E J Water Corp | Dieterich | Population served: 23,669 |
| East Moline | East Moline | Population served: 20,500 |
| East Peoria | East Peoria | Population served: 23,140 |
| Edwardsville | Edwardsville | Population served: 23,287 |
| Effingham | Effingham | Population served: 12,328 |
| Elgin | Elgin | Population served: 108,188 |
| Elk Grove Village | Elk Grove Village | Population served: 34,700 |
| Elmhurst | Elmhurst | Population served: 46,387 |
| Elmwood Park | Elmwood Park | Population served: 25,000 |
| Evanston | Evanston | Population served: 74,486 |
| Evergreen Park | Evergreen Park | Population served: 19,852 |
| Forest Park | Forest Park | Population served: 13,982 |
| Frankfort | Frankfort | Population served: 24,648 |
| Franklin Park | Franklin Park | Population served: 18,333 |
| Freeport | Freeport | Population served: 25,648 |
| Galesburg | Galesburg | Population served: 31,745 |
| Geneva | Geneva | Population served: 21,495 |
| Glen Carbon | Glen Carbon | Population served: 12,800 |
| Glen Ellyn | Glen Ellyn | Population served: 27,928 |
| Glendale Heights | Glendale Heights | Population served: 34,208 |
| Glenview | Glenview | Population served: 50,001 |
| Grayslake | Grayslake | Population served: 20,957 |
| Great Lakes Naval Training Station | Great Lakes | Population served: 23,000 |
| Gurnee | Gurnee | Population served: 31,284 |
| Hanover Park | Hanover Park | Population served: 37,973 |
| Harvey | Harvey | Population served: 25,000 |
| Hazel Crest | Hazel Crest | Population served: 14,000 |
| Herrin | Herrin | Population served: 12,752 |
| Hickory Hills | Hickory Hills | Population served: 14,049 |
| Highland | Highland | Population served: 10,919 |
| Highland Park | Highland Park | Population served: 29,763 |
| Hinsdale | Hinsdale | Population served: 17,940 |
| Hoffman Estates | Hoffman Estates | Population served: 53,295 |
| Homewood | Homewood | Population served: 19,089 |
| Huntley | Huntley | Population served: 26,632 |
| IL American-lake Water Company | Belleville | Population served: 123,148 |
| IL American - Alton | Belleville | Population served: 58,375 |
| IL American - Champaign | Belleville | Population served: 142,250 |
| IL American - East St. Louis | Belleville | Population served: 139,879 |
| IL American - Homer Township | Belleville | Population served: 20,237 |
| IL American - Pekin | Belleville | Population served: 35,000 |
| IL American - Peoria | Belleville | Population served: 121,478 |
| IL American-Chicago Suburban | Belleville | Population served: 11,713 |
| IL American-granite City | Belleville | Population served: 40,541 |
| IL American-Lincoln | Belleville | Population served: 15,200 |
| IL American-Sterling | Belleville | Population served: 15,000 |
| IL American-Streator | Belleville | Population served: 19,000 |
| IL American-West Suburban | Belleville | Population served: 63,330 |
| Illinois American-Pontiac | Belleville | Population served: 11,864 |
| Jacksonville | Jacksonville | Population served: 19,446 |
| Jersey RWC | Jerseyville | Population served: 16,540 |
| Jerseyville | Jerseyville | Population served: 11,825 |
| Joliet | Joliet | Population served: 148,693 |
| Justice-Willow Springs Water Commssion | Justice | Population served: 19,640 |
| Kewanee | Kewanee | Population served: 12,950 |
| La Grange | La Grange | Population served: 15,608 |
| La Grange Park | Lagrange Park | Population served: 13,259 |
| Lake Forest | Lake Forest | Population served: 19,375 |
| Lake In The Hills | Lake In The Hills | Population served: 28,965 |
| Lake of Egypt PWD | Marion | Population served: 10,345 |
| Lake Zurich | Lake Zurich | Population served: 20,022 |
| Lansing | Lansing | Population served: 28,663 |
| Lemont | Lemont | Population served: 17,000 |
| Leyden Twsp Water District | Franklin Park | Population served: 16,000 |
| Libertyville | Libertyville | Population served: 20,315 |
| Lincolnwood | Lincolnwood | Population served: 12,590 |
| Lindenhurst | Lindenhurst | Population served: 14,467 |
| Lisle | Lisle | Population served: 22,930 |
| Lockport | Lockport | Population served: 19,887 |
| Lombard | Lombard | Population served: 43,395 |
| Loves Park | Loves Park | Population served: 23,744 |
| Lyons | Lyons | Population served: 10,775 |
| Macomb | Macomb | Population served: 11,309 |
| Marion | Marion | Population served: 17,428 |
| Markham | Markham | Population served: 12,500 |
| Matteson | Matteson | Population served: 19,000 |
| Mattoon | Mattoon | Population served: 19,000 |
| Maywood | Maywood | Population served: 24,090 |
| Mc Henry | Mchenry | Population served: 22,020 |
| Melrose Park | Melrose Park | Population served: 25,514 |
| Mid-mark Water Commission | Markham | Population served: 28,000 |
| Midlothian | Midlothian | Population served: 14,819 |
| Minooka | Minooka | Population served: 11,307 |
| Mokena | Mokena | Population served: 20,305 |
| Moline | Moline | Population served: 44,500 |
| Montgomery | Montgomery | Population served: 28,160 |
| Morris | Morris | Population served: 13,926 |
| Morton | Morton | Population served: 17,000 |
| Morton Grove | Morton Grove | Population served: 23,519 |
| Mount Prospect | Mount Prospect | Population served: 41,492 |
| Mount Vernon | Mt. Vernon | Population served: 15,591 |
| Mundelein | Mundelein | Population served: 31,500 |
| Murphysboro | Murphysboro | Population served: 10,941 |
| Naperville | Naperville | Population served: 149,294 |
| New Lenox | New Lenox | Population served: 26,520 |
| Niles | Niles | Population served: 29,803 |
| Normal | Normal | Population served: 44,197 |
| Norridge | Norridge | Population served: 14,450 |
| North Aurora | North Aurora | Population served: 17,500 |
| North Chicago | North Chicago | Population served: 16,813 |
| North Lake | Northlake | Population served: 12,323 |
| North Maine Utilities | Glenview | Population served: 30,043 |
| North Park PWD | Machesney Park | Population served: 35,518 |
| Northbrook | Northbrook | Population served: 33,170 |
| Northwest Water Commission | Des Plaines | Population served: 285,055 |
| O Fallon | O'fallon | Population served: 43,596 |
| Oak Brook | Oak Brook | Population served: 15,600 |
| Oak Forest | Oak Forest | Population served: 27,962 |
| Oak Lawn | Oak Lawn | Population served: 56,690 |
| Oak Park | Oak Park | Population served: 51,878 |
| Orland Park | Orland Park | Population served: 58,862 |
| Oswego | Oswego | Population served: 34,647 |
| Ottawa | Ottawa | Population served: 19,000 |
| Palatine | Palatine | Population served: 68,957 |
| Palos Heights | Palos Heights | Population served: 12,515 |
| Palos Hills | Palos Hills | Population served: 17,484 |
| Park Forest | Park Forest | Population served: 21,975 |
| Park Ridge | Park Ridge | Population served: 37,750 |
| Peru | Peru | Population served: 10,300 |
| Plainfield | Plainfield | Population served: 39,581 |
| Plano | Plano | Population served: 10,856 |
| Quincy | Quincy | Population served: 45,000 |
| Rantoul | Rantoul | Population served: 13,000 |
| Richton Park | Richton Park | Population served: 13,646 |
| River Forest | River Forest | Population served: 11,172 |
| River Grove | River Grove | Population served: 10,093 |
| Riverdale | Riverdale | Population served: 13,549 |
| Robinson-palestine Water Commission | Robinson | Population served: 11,331 |
| Rock Island | Rock Island | Population served: 39,684 |
| Rockford | Rockford | Population served: 147,051 |
| Rolling Meadows | Rolling Meadows | Population served: 24,099 |
| Romeoville | Romeoville | Population served: 52,000 |
| Roselle | Roselle | Population served: 22,763 |
| Round Lake | Round Lake | Population served: 18,536 |
| Round Lake Beach | Round Lake Beach | Population served: 28,845 |
| Sauk | Sauk Village | Population served: 11,000 |
| Schaumburg | Schaumburg | Population served: 74,550 |
| Schiller Park | Schiller Park | Population served: 11,793 |
| Shorewood | Shorewood | Population served: 15,615 |
| Skokie | Skokie | Population served: 64,784 |
| South Elgin | South Elgin | Population served: 22,549 |
| South Holland | South Holland | Population served: 22,000 |
| South Stickny SD | Burbank | Population served: 30,000 |
| Springfield | Springfield | Population served: 119,395 |
| St Charles | St. Charles | Population served: 33,264 |
| Streamwood | Streamwood | Population served: 40,351 |
| Sugar Grove | Sugar Grove | Population served: 10,962 |
| Summit | Summit | Population served: 11,446 |
| Sycamore | Sycamore | Population served: 17,600 |
| Taylorville | Taylorville | Population served: 16,396 |
| Tinley Park | Tinley Park | Population served: 56,703 |
| Troy | Troy | Population served: 16,800 |
| University of Illinois - Champaign | Champaign | Population served: 13,000 |
| Vernon Hills | Libertyville | Population served: 34,617 |
| Villa Park | Villa Park | Population served: 22,075 |
| Warrenville | Warrenville | Population served: 12,709 |
| Washington | Washington | Population served: 12,371 |
| Washington County Water Company | Nashville | Population served: 11,224 |
| Waterloo | Waterloo | Population served: 10,190 |
| Wauconda | Wauconda | Population served: 13,603 |
| Waukegan | Waukegan | Population served: 88,182 |
| West Chicago | West Chicago | Population served: 27,086 |
| Westchester | Westchester | Population served: 16,824 |
| Western Springs | Western Springs | Population served: 13,125 |
| Westmont | Westmont | Population served: 24,767 |
| Wheaton | Wheaton | Population served: 52,894 |
| Wheeling | Wheeling | Population served: 38,501 |
| Wildwood Subdivision | Libertyville | Population served: 14,604 |
| Wilmette | Wilmette | Population served: 27,650 |
| Winnetka | Deerfield | Population served: 12,385 |
| Wood Dale | Wood Dale | Population served: 13,770 |
| Wood River | Wood River | Population served: 12,750 |
| Woodridge | Woodridge | Population served: 35,521 |
| Woodstock | Woodstock | Population served: 25,523 |
| Worth | Worth | Population served: 11,300 |
| Yorkville | Yorkville | Population served: 18,000 |
| Zion | Zion | Population served: 24,413 |
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