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 |
|---|---|---|---|---|
| LITTLE GALLILEE CHURCH CAMP | IL3044784 | Illinois | Transient Non-Community | 10,000 |
| ST OF ILL NORTHEASTERN IL UNIV | IL0317820 | Illinois | Community | 10,000 |
| LEYDEN TWSP WATER DISTRICT | IL0315880 | Illinois | Community | 10,000 |
| RUFFITT PARK | IL0097121 | Illinois | Transient Non-Community | 10,000 |
| YORK RETREAT CAMPGROUND | IL0093534 | Illinois | Transient Non-Community | 10,000 |
| GTE AUTOMATIC ELECTRIC CO | IL0076885 | Illinois | Transient Non-Community | 10,000 |
| CHGO ZOOLOGICAL PARK | IL0076638 | Illinois | Transient Non-Community | 10,000 |
| LITTLE GALLILEE CHURCH CAMP | IL0044784 | Illinois | Transient Non-Community | 10,000 |
| ROCK RIVER CHRISTIAN CAMP | IL0018606 | Illinois | Transient Non-Community | 10,000 |
| BEL-MAR COUNTRY CLUB | IL0017632 | Illinois | Transient Non-Community | 10,000 |
| RUFFITT PARK | IL0016972 | Illinois | Transient Non-Community | 10,000 |
| BEL-MAR COUNTRY CLUB | IL0004069 | Illinois | Transient Non-Community | 10,000 |
| SAUK | IL0312790 | Illinois | Community | 9,921 |
| WINFIELD | IL0431150 | Illinois | Community | 9,835 |
| LA SALLE | IL0990300 | Illinois | Community | 9,700 |
| STEGER | IL0314860 | Illinois | Community | 9,700 |
| ITASCA | IL0430500 | Illinois | Community | 9,506 |
| PILOT TRAVEL CENTER | IL3114082 | Illinois | Transient Non-Community | 9,500 |
| HARVARD | IL1110250 | Illinois | Community | 9,469 |
| ROCHELLE | IL1410500 | Illinois | Community | 9,446 |
| OAK BROOK | IL0430700 | Illinois | Community | 9,400 |
| FLOSSMOOR | IL0310870 | Illinois | Community | 9,371 |
| RIVERSIDE | IL0312670 | Illinois | Community | 9,298 |
| BOLINGBROOK SYSTEM 2 | IL1974152 | Illinois | Community | 9,160 |
| LYNWOOD | IL0311680 | Illinois | Community | 9,149 |
| PARIS | IL0450300 | Illinois | Community | 9,100 |
| HARWOOD HEIGHTS | IL0311140 | Illinois | Community | 9,065 |
| WILLOWBROOK | IL0431100 | Illinois | Community | 9,000 |
| GLENWOOD | IL0311050 | Illinois | Community | 8,956 |
| MONMOUTH | IL1870150 | Illinois | Community | 8,902 |
| CLEAR WATER SERVICE CORP | IL0295100 | Illinois | Community | 8,900 |
| OLNEY | IL1590200 | Illinois | Community | 8,877 |
| GLENCOE | IL0310990 | Illinois | Community | 8,849 |
| LAKE VILLA | IL0970840 | Illinois | Community | 8,829 |
| LOYOLA UNIV MED CNTR | IL0310160 | Illinois | Community | 8,800 |
| MASCOUTAH | IL1630800 | Illinois | Community | 8,759 |
| IL AMERICAN-JERSEYVILLE | IL0830250 | Illinois | Community | 8,737 |
| BEACH PARK | IL0970190 | Illinois | Community | 8,710 |
| CLARENDON HILLS | IL0430250 | Illinois | Community | 8,702 |
| WEST FRANKFORT | IL0550700 | Illinois | Community | 8,650 |
| ROCK FALLS | IL1950450 | Illinois | Community | 8,620 |
| HARRISBURG | IL1650200 | Illinois | Community | 8,524 |
| ABBOTT LABORATORIES | IL3130252 | Illinois | Non-Transient Non-Community | 8,500 |
| CALUMET PARK | IL0310420 | Illinois | Community | 8,442 |
| CHESTER | IL1570100 | Illinois | Community | 8,407 |
| GILBERTS | IL0890400 | Illinois | Community | 8,366 |
| GREENVILLE | IL0050050 | Illinois | Community | 8,310 |
| NORTH TAZEWELL PWD | IL1795780 | Illinois | Community | 8,300 |
| PRAIRIE PATH WATER CO-WHISPERING HILLS | IL1115700 | Illinois | Community | 8,300 |
| CRETE | IL1970300 | Illinois | Community | 8,275 |