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 |
|---|---|---|---|---|
| NORTH UTICA | IL0990650 | Illinois | Community | 1,323 |
| WARREN | IL0850500 | Illinois | Community | 1,323 |
| EAST MORELAND WTR SERVICE ASSN | IL1975600 | Illinois | Community | 1,320 |
| HARRISTOWN | IL1150210 | Illinois | Community | 1,320 |
| BARRY | IL1490050 | Illinois | Community | 1,318 |
| OTTER LAKE WATER COMMISSION | IL1175200 | Illinois | Community | 1,318 |
| ASSUMPTION | IL0210050 | Illinois | Community | 1,315 |
| WALNUT | IL0111100 | Illinois | Community | 1,311 |
| MILFORD | IL0750650 | Illinois | Community | 1,306 |
| BENET ACADEMY | IL3039933 | Illinois | Non-Transient Non-Community | 1,300 |
| WAYSIDE FURNITURE | IL3044842 | Illinois | Transient Non-Community | 1,300 |
| BAIT SHOP | IL0061861 | Illinois | Transient Non-Community | 1,300 |
| BAIT SHOP | IL3061861 | Illinois | Transient Non-Community | 1,300 |
| WYOMING | IL1750200 | Illinois | Community | 1,300 |
| WAYSIDE FURNITURE | IL0044842 | Illinois | Transient Non-Community | 1,300 |
| TAYLORVILLE CORRECTIONAL CENTER | IL0210010 | Illinois | Community | 1,300 |
| BLUE MOUND | IL1150100 | Illinois | Community | 1,300 |
| HILL CRCTL CTR | IL0950010 | Illinois | Community | 1,300 |
| FDL CRCTL INST & PRSN CMP | IL0050010 | Illinois | Community | 1,300 |
| PRAIRIE PATH WATER COMPANY-LAKE WILDWOOD | IL1235200 | Illinois | Community | 1,295 |
| GOOD SHEPHERD HOSPITAL | IL3130302 | Illinois | Non-Transient Non-Community | 1,290 |
| NEW HOPE WATERWORKS CORP | IL1915100 | Illinois | Community | 1,285 |
| TOLEDO | IL0350200 | Illinois | Community | 1,278 |
| PETROLIA PWD | IL1015350 | Illinois | Community | 1,275 |
| CHRISMAN | IL0450100 | Illinois | Community | 1,273 |
| ST ELMO | IL0510250 | Illinois | Community | 1,272 |
| COBDEN | IL1810150 | Illinois | Community | 1,267 |
| ROAD RANGER TRAVEL CENTER | WI1130569 | Illinois | Transient Non-Community | 1,267 |
| LADD | IL0110450 | Illinois | Community | 1,263 |
| VALMEYER | IL1330250 | Illinois | Community | 1,263 |
| HARTFORD | IL1190500 | Illinois | Community | 1,260 |
| CHATSWORTH | IL1050100 | Illinois | Community | 1,256 |
| LIBERTY-LEDFORD PWD | IL1655050 | Illinois | Community | 1,255 |
| HANNA CITY | IL1430400 | Illinois | Community | 1,253 |
| 230 N MICHIGAN BLDG | IL3012880 | Illinois | Transient Non-Community | 1,250 |
| 230 N MICHIGAN BLDG | IL0012880 | Illinois | Transient Non-Community | 1,250 |
| SIDNEY | IL0190850 | Illinois | Community | 1,250 |
| CASA VERDE MANUFACTURED HOME COMMUNITY | FL6290430 | Illinois | Community | 1,250 |
| LAKE WILLIAMSON CHRISTIAN CENTER | IL1175100 | 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 |
| ALBERS | IL0270050 | Illinois | Community | 1,231 |
| WARRENSBURG | IL1150500 | Illinois | Community | 1,230 |
| FORREST | IL1050450 | Illinois | Community | 1,225 |
| IL AMERICAN-ARBURY | IL1975040 | Illinois | Community | 1,225 |
| BOURBON SQUARE APTS | IL0315168 | Illinois | Community | 1,224 |
| HILLCREST | IL1410250 | Illinois | Community | 1,224 |
| MACON | IL1150250 | Illinois | Community | 1,205 |