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 |
|---|---|---|---|---|
| HODGKINS | IL0311260 | Illinois | Community | 1,472 |
| GARDEN HOME SD | IL0315620 | Illinois | Community | 1,472 |
| GREEN OAKS | IL0970040 | Illinois | Community | 1,470 |
| OKAWVILLE | IL1890400 | Illinois | Community | 1,457 |
| 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 |
| SANDOVAL | IL1210500 | Illinois | Community | 1,422 |
| 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 |
| GRANT PARK | IL0910400 | Illinois | Community | 1,400 |
| ALLSTEEL INC | IL3075572 | Illinois | Transient Non-Community | 1,400 |
| ALLSTEEL INC | IL0075572 | Illinois | Transient Non-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 |
| TOWER LAKES | IL0975010 | Illinois | Community | 1,372 |
| GALLATIN-WHITE WATER DISTRICT | IL0595100 | Illinois | Community | 1,370 |
| HEBRON | IL1110300 | Illinois | Community | 1,368 |
| GARDNER | IL0630400 | Illinois | Community | 1,361 |
| HILLTOP MHP | IL1130080 | Illinois | Community | 1,360 |
| GRANVILLE | IL1550050 | Illinois | Community | 1,359 |
| TOLUCA | IL1230250 | Illinois | Community | 1,348 |
| CAPRON | IL0070100 | Illinois | Community | 1,343 |
| HERITAGE LAKES SUBDIVISION | IL1795460 | Illinois | Community | 1,341 |
| RIVERDALE SCHOOL DISTRICT #100 | IL3113985 | Illinois | Non-Transient Non-Community | 1,340 |
| FORRESTON | IL1410200 | Illinois | Community | 1,338 |
| ROCK SPRINGS MHP | FL3481093 | Illinois | Community | 1,338 |
| BONNIE BRAE FOREST MANOR SNDST | IL1975140 | Illinois | Community | 1,338 |
| ASHLAND | IL0170100 | Illinois | Community | 1,333 |
| ROSSVILLE | IL1830800 | Illinois | Community | 1,331 |