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 |
|---|---|---|---|---|
| SULLIVAN | IL1390300 | Illinois | Community | 4,729 |
| PETERSBURG | IL1290200 | Illinois | Community | 4,725 |
| ELDORADO | IL1655030 | Illinois | Community | 4,715 |
| LEBANON | IL1630650 | Illinois | Community | 4,714 |
| BEECHER | IL1970050 | Illinois | Community | 4,713 |
| FREEBURG | IL1630600 | Illinois | Community | 4,707 |
| FOX RIVER GROVE | IL1110200 | Illinois | Community | 4,702 |
| PITTSFIELD | IL1490750 | Illinois | Community | 4,697 |
| DUPO | IL1630350 | Illinois | Community | 4,684 |
| CALHOUN COUNTY RWD | IL0130010 | Illinois | Community | 4,675 |
| STONE PARK | IL0313030 | Illinois | Community | 4,576 |
| ATHENS | IL1290050 | Illinois | Community | 4,575 |
| AUBURN | IL1670050 | Illinois | Community | 4,574 |
| LAWRENCEVILLE | IL1010150 | Illinois | Community | 4,524 |
| SOUTH HIGHWAY PWD | IL0775400 | Illinois | Community | 4,501 |
| OGLESBY | IL0990700 | Illinois | Community | 4,500 |
| PAXTON | IL0530250 | Illinois | Community | 4,500 |
| HILLSBORO | IL1350300 | Illinois | Community | 4,402 |
| DWIGHT | IL1050250 | Illinois | Community | 4,400 |
| SPARTA | IL1570600 | Illinois | Community | 4,395 |
| MARENGO ESTS SBDV | IL1110020 | Illinois | Community | 4,360 |
| RIVERTON | IL1670950 | Illinois | Community | 4,279 |
| CORTLAND | IL0370051 | Illinois | Community | 4,270 |
| LAKEWOOD | IL1115760 | Illinois | Community | 4,267 |
| HOMETOWN | IL0311320 | Illinois | Community | 4,240 |
| GEORGETOWN | IL1830350 | Illinois | Community | 4,200 |
| MORRISON | IL1950350 | Illinois | Community | 4,188 |
| AQUA ILLINOIS-PEOTONE | IL1970750 | Illinois | Community | 4,182 |
| NEW BADEN | IL0274700 | Illinois | Community | 4,178 |
| CAHOKIA | IL1630200 | Illinois | Community | 4,150 |
| WOODHAVEN | IL1035100 | Illinois | Community | 4,100 |
| KANKAKEE RIVER STATE PARK | IL0095570 | Illinois | Transient Non-Community | 4,100 |
| KANKAKEE RIVER STATE PARK | IL0095562 | Illinois | Transient Non-Community | 4,100 |
| KANKAKEE RIVER STATE PARK | IL0095554 | Illinois | Transient Non-Community | 4,100 |
| KANKAKEE RIVER STATE PARK | IL0095539 | Illinois | Transient Non-Community | 4,100 |
| KANKAKEE RIVER STATE PARK | IL0093922 | Illinois | Transient Non-Community | 4,100 |
| KANKAKEE RIVER STATE PARK | IL0015305 | Illinois | Transient Non-Community | 4,100 |
| MILLSTADT | IL1630850 | Illinois | Community | 4,071 |
| SMITHTON | IL1631300 | Illinois | Community | 4,006 |
| WOODSMOKE RANCH | IL3163782 | Illinois | Transient Non-Community | 4,000 |
| SHILOH | IL1631250 | Illinois | Community | 4,000 |
| WASCO SD | IL0890110 | Illinois | Community | 4,000 |
| BURNHAM | IL0310360 | Illinois | Community | 3,989 |
| NORTH EAST CENTRAL PWD | IL1195280 | Illinois | Community | 3,975 |
| COAL VALLEY PWD | IL1995250 | Illinois | Community | 3,960 |
| HAMILTON COUNTY WATER DISTRICT | IL0651000 | Illinois | Community | 3,958 |
| ROSEMONT | IL0312760 | Illinois | Community | 3,952 |
| MARSHALL | IL0230100 | Illinois | Community | 3,947 |
| CORINTH PWD | IL1995120 | Illinois | Community | 3,927 |
| SOUTH CHICAGO HEIGHTS | IL0312940 | Illinois | Community | 3,924 |