Browse Water Systems
25,913 public water systems in IL.
Public Water Systems Database
Browse 25,913 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.
| System Name | PWSID | State | Type | Population Served |
|---|---|---|---|---|
| HILLSIDE | IL0311230 | Illinois | Community | 8,200 |
| BENTON | IL0550050 | Illinois | Community | 8,104 |
| ISLAND LAKE | IL0974540 | Illinois | Community | 8,066 |
| POPLAR CREEK MUSIC THEATRE | IL3120741 | Illinois | Transient Non-Community | 8,000 |
| WESTERN ILLINOIS UNIVERSITY | IL1095510 | Illinois | Community | 8,000 |
| MILL CREEK WATER RECLAMATION DISTRICT | IL0890120 | Illinois | Community | 8,000 |
| PARADISE PARK | IL0091819 | Illinois | Transient Non-Community | 8,000 |
| FOSTERBURG PWD | IL1195220 | Illinois | Community | 7,940 |
| LINCOLNSHIRE | IL0970950 | Illinois | Community | 7,940 |
| SALEM | IL1210450 | Illinois | Community | 7,905 |
| IL AMERICAN-SOUTH BELOIT | IL2010450 | Illinois | Community | 7,893 |
| LONG CREEK TOWNSHIP PWS | IL1155150 | Illinois | Community | 7,850 |
| BROADVIEW | IL0310300 | Illinois | Community | 7,847 |
| WEST DUNDEE | IL0890950 | Illinois | Community | 7,845 |
| PRINCETON | IL0110850 | Illinois | Community | 7,832 |
| ROCK ISLAND ARSENAL, US ARMY | IL1615387 | Illinois | Community | 7,800 |
| HAMPSHIRE | IL0890450 | Illinois | Community | 7,758 |
| ROCKTON | IL2010350 | Illinois | Community | 7,685 |
| VANDALIA | IL0510350 | Illinois | Community | 7,616 |
| MARENGO | IL1110650 | Illinois | Community | 7,572 |
| SILVIS | IL1610700 | Illinois | Community | 7,473 |
| DUQUOIN | IL1450100 | Illinois | Community | 7,169 |
| SANDWICH | IL0374850 | Illinois | Community | 7,156 |
| CLINTON | IL0390050 | Illinois | Community | 7,128 |
| RACCOON WATER COMPANY | IL1215100 | Illinois | Community | 7,080 |
| NORTH RIVERSIDE | IL0312160 | Illinois | Community | 7,071 |
| MOUNT CARMEL | IL1850200 | Illinois | Community | 7,015 |
| AQUA ILLINOIS-UNIVERSITY PARK | IL1975030 | Illinois | Community | 7,002 |
| STEPHENSON CO FAIR ASSN | IL3050880 | Illinois | Transient Non-Community | 7,000 |
| STEPHENSON CO FAIR ASSN | IL0050880 | Illinois | Transient Non-Community | 7,000 |
| SOUTHEAST REGIONAL WATER FACILITY | IL0430060 | Illinois | Community | 6,940 |
| MENDOTA | IL0990550 | Illinois | Community | 6,926 |
| STICKNEY | IL0313000 | Illinois | Community | 6,902 |
| ABS WATER COOP | IL0015350 | Illinois | Community | 6,858 |
| ST OF ILL CHI STATE UNIV | IL0317730 | Illinois | Community | 6,800 |
| AMERICAN WATER OPER AND MAINTENANCE, LLC | IL1635237 | Illinois | Community | 6,779 |
| IL AMERICAN-VALLEY VIEW | IL0437350 | Illinois | Community | 6,721 |
| CURRAN-GARDNER TOWNSHIP PWD | IL1675350 | Illinois | Community | 6,651 |
| LITCHFIELD | IL1350400 | Illinois | Community | 6,648 |
| BOND/MADISON WATER COMPANY | IL0050020 | Illinois | Community | 6,645 |
| VOLO | IL0971770 | Illinois | Community | 6,629 |
| IL AMERICAN-DUPAGE UTILITY | IL0430552 | Illinois | Community | 6,613 |
| PRAIRIE PATH WATER COMPANY-LAKE HOLIDAY | IL0995200 | Illinois | Community | 6,601 |
| ILLINOIS STATE UNIVERSITY-NORMAL | IL1135510 | Illinois | Community | 6,600 |
| LA GRANGE HIGHLANDS SANITARY DISTRICT | IL0315860 | Illinois | Community | 6,600 |
| CARLINVILLE | IL1170150 | Illinois | Community | 6,598 |
| MAHOMET | IL0190450 | Illinois | Community | 6,580 |
| WINTHROP HARBOR | IL0971950 | Illinois | Community | 6,565 |
| ELBURN | IL0890300 | Illinois | Community | 6,559 |
| GENESEO | IL0730500 | Illinois | Community | 6,539 |