Browse Water Systems
25,185 public water systems in IL.
Public Water Systems Database
Browse 25,185 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 |
|---|---|---|---|---|
| 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 |
| OGLESBY | IL0990700 | Illinois | Community | 4,500 |
| HILLSBORO | IL1350300 | Illinois | Community | 4,402 |
| DWIGHT | IL1050250 | Illinois | Community | 4,400 |
| CORTLAND | IL0370051 | Illinois | Community | 4,398 |
| SPARTA | IL1570600 | Illinois | Community | 4,395 |
| SMITHTON | IL1631300 | Illinois | Community | 4,381 |
| MARENGO ESTS SBDV | IL1110020 | Illinois | Community | 4,360 |
| RIVERTON | IL1670950 | Illinois | Community | 4,279 |
| LAKEWOOD | IL1115760 | Illinois | Community | 4,267 |
| HOMETOWN | IL0311320 | Illinois | Community | 4,240 |
| PAXTON | IL0530250 | Illinois | Community | 4,200 |
| 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 |
| KANKAKEE RIVER STATE PARK | IL0015305 | Illinois | Transient Non-Community | 4,100 |
| KANKAKEE RIVER STATE PARK | IL0093922 | Illinois | Transient Non-Community | 4,100 |
| 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 |
| MILLSTADT | IL1630850 | Illinois | Community | 4,071 |
| COAL VALLEY PWD | IL1995250 | Illinois | Community | 4,023 |
| 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 |
| 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 |
| SALINE VALLEY CONSERVANCY DISTRICT | IL1655300 | Illinois | Community | 3,921 |
| WESTVILLE | IL1830950 | Illinois | Community | 3,917 |
| METAMORA | IL2030350 | Illinois | Community | 3,895 |
| WILLIAMSVILLE-SHERMAN WTR CMSN | IL1670030 | Illinois | Community | 3,890 |
| COAL VALLEY | IL1614260 | Illinois | Community | 3,873 |
| WONDER LAKE | IL1115750 | Illinois | Community | 3,870 |
| ROCHESTER | IL1671000 | Illinois | Community | 3,856 |
| RED BUD | IL1570450 | Illinois | Community | 3,804 |
| ALLSTATE INSURANCE CO | IL0067504 | Illinois | Transient Non-Community | 3,800 |
| CHADDICK EQUITABLE FORD CITY | IL3052829 | Illinois | Transient Non-Community | 3,788 |