Browse Water Systems
25,921 public water systems in IL.
Public Water Systems Database
Browse 25,921 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 |
|---|---|---|---|---|
| FERMI NATIONAL ACCELERATOR LAB | IL0029603 | Illinois | Transient Non-Community | 1,500 |
| OAK FOREST HEALTH CENTER | IL0317789 | Illinois | Community | 1,500 |
| O'HARE AIR RSRV FORCES FCLTY | IL0315677 | Illinois | Community | 1,500 |
| GLENVIEW NAVAL AIR STATION | IL0315647 | Illinois | Community | 1,500 |
| UNION PACIFIC RAILROAD | IL0315320 | Illinois | Community | 1,500 |
| EAST HAZEL CREST | IL0310750 | Illinois | Community | 1,500 |
| CLIFTON | IL0750250 | Illinois | Community | 1,500 |
| MOUND PWD | IL1635050 | Illinois | Community | 1,500 |
| ALPINE LAKE RV RESORT | NY4513813 | Illinois | Transient Non-Community | 1,500 |
| LOGAN CORRECTIONAL CENTER | IL1075520 | Illinois | Community | 1,500 |
| WATERMAN | IL0370600 | Illinois | Community | 1,497 |
| PRAIRIE PATH WATER COMPANY-WESTLAKE | IL2010070 | Illinois | Community | 1,493 |
| MAPLE PARK | IL0890500 | Illinois | Community | 1,484 |
| WARSAW | IL0670650 | Illinois | Community | 1,480 |
| MOUNT CARROLL | IL0150200 | Illinois | Community | 1,479 |
| NORTH PEKIN | IL1790550 | Illinois | Community | 1,478 |
| BETHANY | IL1390100 | Illinois | Community | 1,475 |
| GARDEN HOME SD | IL0315620 | Illinois | Community | 1,472 |
| HODGKINS | IL0311260 | Illinois | Community | 1,472 |
| GREEN OAKS | IL0970040 | Illinois | Community | 1,470 |
| EXXON MOBIL OIL REFINERY | IL3081943 | Illinois | Non-Transient Non-Community | 1,450 |
| SILVIS HEIGHTS WATER CORP | IL1615750 | Illinois | Community | 1,450 |
| CAT TECH CENTER | IL3117895 | Illinois | Non-Transient Non-Community | 1,442 |
| OAKBROOK TERRACE | IL0430750 | Illinois | Community | 1,440 |
| CRYSTAL LAWNS ADDITION IMPROVEMENT ASSOC | IL1975480 | Illinois | Community | 1,435 |
| CERRO GORDO | IL1470100 | Illinois | Community | 1,433 |
| SOUTH FULTON WATER DISTRICT | IL0570010 | Illinois | Community | 1,430 |
| DEVILS KITCHEN WATER DISTRICT | IL1995160 | Illinois | Community | 1,428 |
| DURAND | IL2010100 | Illinois | Community | 1,427 |
| WYNSTONE WATER COMPANY | IL0970080 | Illinois | Community | 1,424 |
| YORK TOWNSHIP WATER SYSTEM | IL0430010 | Illinois | Community | 1,423 |
| GRIDLEY | IL1130600 | Illinois | Community | 1,411 |
| PEMBROKE TOWNSHIP | IL0910010 | Illinois | Community | 1,410 |
| ONARGA | IL0750700 | Illinois | Community | 1,409 |
| GRANDVIEW | IL1670500 | Illinois | Community | 1,405 |
| MURRAYVILLE-WOODSON WATER COMMISSION | IL1375150 | Illinois | Community | 1,403 |
| ALLSTEEL INC | IL3075572 | Illinois | Transient Non-Community | 1,400 |
| ALLSTEEL INC | IL0075572 | Illinois | Transient Non-Community | 1,400 |
| GRANT PARK | IL0910400 | Illinois | Community | 1,400 |
| SUNSET MHP | IL0310080 | Illinois | Community | 1,400 |
| CENTRALIA CORRECTIONAL SITE | IL0275600 | Illinois | Community | 1,397 |
| COLCHESTER | IL1090200 | Illinois | Community | 1,395 |
| NILWOOD | IL1170750 | Illinois | Community | 1,394 |
| ROSICLARE | IL0690150 | Illinois | Community | 1,387 |
| IL AMERICAN-ROSICLARE | IL0690160 | Illinois | Community | 1,387 |
| PAYSON | IL0010550 | Illinois | Community | 1,386 |
| NEW BERLIN | IL1670800 | Illinois | Community | 1,380 |
| AQUA ILLINOIS-PHILO | IL0190600 | Illinois | Community | 1,378 |
| ASTORIA | IL0570050 | Illinois | Community | 1,375 |
| IL AMERICAN-HARDIN COUNTY | IL0690020 | Illinois | Community | 1,373 |