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 |
|---|---|---|---|---|
| HANNA CITY | IL1430400 | Illinois | Community | 1,253 |
| 230 N MICHIGAN BLDG | IL0012880 | Illinois | Transient Non-Community | 1,250 |
| 230 N MICHIGAN BLDG | IL3012880 | Illinois | Transient Non-Community | 1,250 |
| SIDNEY | IL0190850 | Illinois | Community | 1,250 |
| LAKE WILLIAMSON CHRISTIAN CENTER | IL1175100 | Illinois | Community | 1,250 |
| CASA VERDE MANUFACTURED HOME COMMUNITY | FL6290430 | Illinois | Community | 1,250 |
| LAKE PARK EAST H S #108 | IL0037192 | Illinois | Transient Non-Community | 1,241 |
| PROSPECT HEIGHTS PLAZA | IL3161463 | Illinois | Non-Transient Non-Community | 1,240 |
| WAYNE CITY | IL1910450 | Illinois | Community | 1,239 |
| BLACKHAWK ESTATES LLC | IL0317765 | Illinois | Community | 1,238 |
| PRAIRIE PATH WATER COMPANY-KILLARNEY | IL1115400 | Illinois | Community | 1,232 |
| ALBERS | IL0270050 | Illinois | Community | 1,231 |
| WARRENSBURG | IL1150500 | Illinois | Community | 1,230 |
| IL AMERICAN-ARBURY | IL1975040 | Illinois | Community | 1,225 |
| FORREST | IL1050450 | Illinois | Community | 1,225 |
| BOURBON SQUARE APTS | IL0315168 | Illinois | Community | 1,224 |
| HILLCREST | IL1410250 | Illinois | Community | 1,224 |
| MACON | IL1150250 | Illinois | Community | 1,205 |
| DOWNS | IL1130500 | Illinois | Community | 1,201 |
| LOUISVILLE | IL0250200 | Illinois | Community | 1,201 |
| FREEDOM OIL CO CHILLICOTHE | IL3136648 | Illinois | Transient Non-Community | 1,200 |
| MCDONALD'S/AMOCO | IL3135384 | Illinois | Transient Non-Community | 1,200 |
| FERMI NATIONAL ACCELERATOR LAB | IL3029629 | Illinois | Transient Non-Community | 1,200 |
| SUNSET PARK | IL3072801 | Illinois | Transient Non-Community | 1,200 |
| TOWER LAKES-COUNTRY CLUB | IL0975140 | Illinois | Community | 1,200 |
| KELLY-SPRINGFIELD TIRE CO | IL0050716 | Illinois | Transient Non-Community | 1,200 |
| SHADOW LAKES RESORT | IL1970090 | Illinois | Community | 1,200 |
| SUNSET PARK | IL0072801 | Illinois | Transient Non-Community | 1,200 |
| IL AMERICAN WTR CMPNY-CAMELOT | IL1435450 | Illinois | Community | 1,200 |
| WESCOM | IL0038513 | 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 |
| OLYMPIA HIGH SCHOOL | IL0057844 | Illinois | Transient Non-Community | 1,200 |
| SEDGEBROOK DVL | IL0890030 | Illinois | Community | 1,200 |
| CATERPILLAR CO | IL0029389 | Illinois | Transient Non-Community | 1,200 |
| STATE OF ILLINOIS SHAPIRO DEVE | IL0915920 | Illinois | Community | 1,200 |
| MARTINSVILLE | IL0230150 | Illinois | Community | 1,200 |
| STILLMAN VALLEY | IL1410550 | Illinois | Community | 1,200 |
| SWEDISH COVENANT HOSPITAL | IL3162651 | Illinois | Non-Transient Non-Community | 1,200 |
| LAHARPE | IL0670450 | Illinois | Community | 1,200 |
| NAUVOO | IL0670500 | Illinois | Community | 1,200 |
| WINDSOR | IL1730550 | Illinois | Community | 1,200 |
| ST ANNE | IL0910700 | Illinois | Community | 1,200 |
| AQUA ILLINOIS-SKYLINE (NORTHERN) | IL0895030 | Illinois | Community | 1,200 |
| HOMER | IL0190300 | Illinois | Community | 1,200 |
| PARK CENTER OF KEMPER LAKES AVIANDS | IL3027961 | Illinois | Non-Transient Non-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 |