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 |
|---|---|---|---|---|
| MATTESON | IL0311800 | Illinois | Community | 18,293 |
| OTTAWA | IL0990800 | Illinois | Community | 18,097 |
| WILLO WOOD RECREATIONAL FARM | IL0016816 | Illinois | Transient Non-Community | 18,000 |
| WILLA WOOD | IL0001834 | Illinois | Transient Non-Community | 18,000 |
| HINSDALE | IL0434520 | Illinois | Community | 17,900 |
| CARY | IL1110100 | Illinois | Community | 17,826 |
| LEMONT | IL0311620 | Illinois | Community | 17,500 |
| CHARLESTON | IL0290100 | Illinois | Community | 17,286 |
| MORTON | IL1790500 | Illinois | Community | 17,111 |
| TROY | IL1191000 | Illinois | Community | 16,962 |
| MARION | IL1990550 | Illinois | Community | 16,855 |
| NORTH CHICAGO | IL0971250 | Illinois | Community | 16,813 |
| CANTON | IL0570250 | Illinois | Community | 16,748 |
| COUNTRY CLUB HILLS | IL0310540 | Illinois | Community | 16,500 |
| BRIDGEVIEW | IL0310270 | Illinois | Community | 16,467 |
| CHATHAM | IL1670300 | Illinois | Community | 16,423 |
| WESTCHESTER | IL0313150 | Illinois | Community | 16,241 |
| LA GRANGE | IL0311530 | Illinois | Community | 16,200 |
| MOUNT VERNON | IL0810300 | Illinois | Community | 15,793 |
| PALOS HEIGHTS | IL0312370 | Illinois | Community | 15,500 |
| BOLINGBROOK | IL1974150 | Illinois | Community | 15,404 |
| NORRIDGE | IL0312040 | Illinois | Community | 15,251 |
| CAHOKIA HEIGHTS | IL1635000 | Illinois | Community | 15,250 |
| BETHALTO | IL1190150 | Illinois | Community | 15,210 |
| IL AMERICAN-LINCOLN | IL1075030 | Illinois | Community | 15,200 |
| DIXON | IL1030200 | Illinois | Community | 15,096 |
| MACOMB | IL1090350 | Illinois | Community | 15,052 |
| IROQUOIS COUNTY FAIR BOARD | IL3008516 | Illinois | Transient Non-Community | 15,000 |
| HOLIDAY ACRES FAMILY PARK | IL0017582 | Illinois | Transient Non-Community | 15,000 |
| IROQUOIS COUNTY FAIR BOARD | IL0008516 | Illinois | Transient Non-Community | 15,000 |
| WILDWOOD SUBDIVISION - LAKE CO PW | IL0977350 | Illinois | Community | 14,832 |
| MIDLOTHIAN | IL0311920 | Illinois | Community | 14,819 |
| WASHINGTON | IL1790750 | Illinois | Community | 14,793 |
| IL AMERICAN-STERLING | IL1955040 | Illinois | Community | 14,782 |
| MORRIS | IL0630600 | Illinois | Community | 14,775 |
| HICKORY HILLS | IL0311200 | Illinois | Community | 14,505 |
| LINDENHURST | IL0971000 | Illinois | Community | 14,500 |
| FOREST PARK | IL0310900 | Illinois | Community | 14,340 |
| ANTIOCH | IL0970050 | Illinois | Community | 14,175 |
| CHICAGO RIDGE | IL0310480 | Illinois | Community | 14,130 |
| WAUCONDA | IL0971850 | Illinois | Community | 14,084 |
| WOOD DALE | IL0431200 | Illinois | Community | 14,012 |
| CASEYVILLE | IL1630250 | Illinois | Community | 13,798 |
| LINCOLNWOOD | IL0311650 | Illinois | Community | 13,463 |
| CHANNAHON | IL1970200 | Illinois | Community | 13,380 |
| WESTERN SPRINGS | IL0313180 | Illinois | Community | 13,274 |
| HAZEL CREST | IL0311170 | Illinois | Community | 13,098 |
| LA GRANGE PARK | IL0311560 | Illinois | Community | 13,011 |
| U OF I-CHAMPAIGN | IL0195500 | Illinois | Community | 13,000 |
| RANTOUL | IL0190650 | Illinois | Community | 13,000 |