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 |
|---|---|---|---|---|
| LOUISVILLE | IL0250200 | Illinois | Community | 1,201 |
| DOWNS | IL1130500 | Illinois | Community | 1,201 |
| WINDSOR | IL1730550 | Illinois | Community | 1,200 |
| SEDGEBROOK DVL | IL0890030 | Illinois | Community | 1,200 |
| STATE OF ILLINOIS SHAPIRO DEVE | IL0915920 | Illinois | Community | 1,200 |
| MCDONALD'S/AMOCO | IL3135384 | Illinois | Transient Non-Community | 1,200 |
| FREEDOM OIL CO CHILLICOTHE | IL3136648 | Illinois | Transient Non-Community | 1,200 |
| MARTINSVILLE | IL0230150 | Illinois | Community | 1,200 |
| SWEDISH COVENANT HOSPITAL | IL3162651 | Illinois | Non-Transient Non-Community | 1,200 |
| WESCOM | IL0038513 | Illinois | Transient Non-Community | 1,200 |
| IL AMERICAN WTR CMPNY-CAMELOT | IL1435450 | Illinois | Community | 1,200 |
| SHADOW LAKES RESORT | IL1970090 | Illinois | Community | 1,200 |
| STILLMAN VALLEY | IL1410550 | Illinois | Community | 1,200 |
| AQUA ILLINOIS-SKYLINE (NORTHERN) | IL0895030 | Illinois | Community | 1,200 |
| SUNSET PARK | IL3072801 | Illinois | Transient Non-Community | 1,200 |
| FERMI NATIONAL ACCELERATOR LAB | IL3029629 | Illinois | Transient Non-Community | 1,200 |
| LAHARPE | IL0670450 | Illinois | Community | 1,200 |
| PARK CENTER OF KEMPER LAKES AVIANDS | IL3027961 | Illinois | Non-Transient Non-Community | 1,200 |
| TOWER LAKES-COUNTRY CLUB | IL0975140 | Illinois | Community | 1,200 |
| SUNSET PARK | IL0072801 | Illinois | Transient Non-Community | 1,200 |
| CATERPILLAR CO | IL0029389 | Illinois | Transient Non-Community | 1,200 |
| KELLY-SPRINGFIELD TIRE CO | IL0050716 | Illinois | Transient Non-Community | 1,200 |
| OLYMPIA HIGH SCHOOL | IL0057844 | Illinois | Transient Non-Community | 1,200 |
| LISLE (OLD IL MUN) | IL0430550 | Illinois | Community | 1,200 |
| FOUR LAKES VLG CONDO ASSN 1 | IL0430120 | Illinois | Community | 1,200 |
| NAUVOO | IL0670500 | Illinois | Community | 1,200 |
| ST ANNE | IL0910700 | Illinois | Community | 1,200 |
| HOMER | IL0190300 | Illinois | Community | 1,200 |
| ALLSTATE WILLOW CAMPUS | IL3067405 | Illinois | Non-Transient Non-Community | 1,199 |
| SOUTH LAWRENCE WATER CORP | IL1010020 | Illinois | Community | 1,195 |
| WAVERLY | IL1370450 | Illinois | Community | 1,194 |
| TOULON | IL1750150 | Illinois | Community | 1,193 |
| IL AMERICAN-GLASFORD | IL1430350 | Illinois | Community | 1,193 |
| CAMP POINT | IL0010050 | Illinois | Community | 1,190 |
| DOWELL | IL0770250 | Illinois | Community | 1,188 |
| FERGES WATER DISTRICT | IL1995050 | Illinois | Community | 1,185 |
| CUBA | IL0570300 | Illinois | Community | 1,184 |
| IL AMERICAN-ANDALUSIA | IL1610050 | Illinois | Community | 1,184 |
| VALIER | IL0550600 | Illinois | Community | 1,182 |
| RAMBLERS REST RESORT | FL6581479 | Illinois | Community | 1,180 |
| MINIER | IL1790450 | Illinois | Community | 1,180 |
| WALNUT HILL | IL1210600 | Illinois | Community | 1,180 |
| SOUTH BARRINGTON | IL0310200 | Illinois | Community | 1,175 |
| QUANTUM CHEM CORP-USI DVN | IL0415100 | Illinois | Community | 1,175 |
| MECHANICSBURG-BUFFALO WATER COMMISSION | IL1675150 | Illinois | Community | 1,170 |
| KINGSTON | IL0370250 | Illinois | Community | 1,160 |
| ATWOOD | IL0414060 | Illinois | Community | 1,155 |
| GORHAM | IL0770350 | Illinois | Community | 1,143 |
| MALTA | IL0370350 | Illinois | Community | 1,143 |
| IL AMERICAN-WASHINGTON ESTATES | IL1797050 | Illinois | Community | 1,143 |