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 |
|---|---|---|---|---|
| NORTHEAST MOUNT VERNON WATER COMPANY | IL0810010 | Illinois | Community | 5,483 |
| NORTHFIELD | IL0312100 | Illinois | Community | 5,470 |
| SWANSEA | IL1631400 | Illinois | Community | 5,432 |
| PARK CITY | IL0971400 | Illinois | Community | 5,425 |
| ROBBINS | IL0312700 | Illinois | Community | 5,415 |
| AQUA ILLINOIS-OAK BROOK | IL0430055 | Illinois | Community | 5,361 |
| HIGHWOOD | IL0970550 | Illinois | Community | 5,335 |
| POSEN | IL0312520 | Illinois | Community | 5,331 |
| PIKE COUNTY PWD 1 | IL1495000 | Illinois | Community | 5,327 |
| SANGAMON VALLEY PWD | IL0195150 | Illinois | Community | 5,300 |
| GENOA | IL0370150 | Illinois | Community | 5,298 |
| MITCHELL PWD | IL1195210 | Illinois | Community | 5,253 |
| FLORA | IL0250100 | Illinois | Community | 5,233 |
| IL AMERICAN-FERNWAY | IL0315030 | Illinois | Community | 5,223 |
| EUREKA | IL2030200 | Illinois | Community | 5,216 |
| BERKELEY | IL0310180 | Illinois | Community | 5,214 |
| MONEE | IL1970650 | Illinois | Community | 5,148 |
| CATERPILLAR TRAIL PWD | IL2035030 | Illinois | Community | 5,125 |
| AQUA ILLINOIS-WILLOWBROOK | IL1977870 | Illinois | Community | 5,100 |
| MARSEILLES | IL0990500 | Illinois | Community | 5,061 |
| BRIGHTON | IL1174160 | Illinois | Community | 5,041 |
| OTTER CREEK WATER RECLAIMATION DISTRICT | IL0890090 | Illinois | Community | 5,025 |
| U OF I CHICAGO MEDICAL CENTER | IL3155606 | Illinois | Non-Transient Non-Community | 5,000 |
| HAMILTON LAKES | IL3122721 | Illinois | Non-Transient Non-Community | 5,000 |
| MIDWEST WATER CO | IL3081091 | Illinois | Transient Non-Community | 5,000 |
| FERNDALE HEIGHTS UTILITY CO | IL3067371 | Illinois | Transient Non-Community | 5,000 |
| LINCOLN VILLAGE MALL | IL3052837 | Illinois | Transient Non-Community | 5,000 |
| NIABI ZOO | IL3001099 | Illinois | Transient Non-Community | 5,000 |
| ST OF ILL UOFI MED CENTER CAMP | IL0317710 | Illinois | Community | 5,000 |
| LIESURE LAKE | IL0097972 | Illinois | Transient Non-Community | 5,000 |
| MIDWEST WATER CO | IL0081091 | Illinois | Transient Non-Community | 5,000 |
| ARA FORD B | IL0080952 | Illinois | Transient Non-Community | 5,000 |
| ARA FORD A | IL0080945 | Illinois | Transient Non-Community | 5,000 |
| FERNDALE HEIGHTS UTILITY CO | IL0067371 | Illinois | Transient Non-Community | 5,000 |
| RAIL-GOLF COURSE | IL0061515 | Illinois | Transient Non-Community | 5,000 |
| LINCOLN VILLAGE MALL | IL0052837 | Illinois | Transient Non-Community | 5,000 |
| LIESURE LAKE | IL0035105 | Illinois | Transient Non-Community | 5,000 |
| BRADLEY | IL0910200 | Illinois | Community | 4,989 |
| MURDALE PWD | IL0775200 | Illinois | Community | 4,963 |
| MILAN | IL1610400 | Illinois | Community | 4,945 |
| CREVE COEUR | IL1790100 | Illinois | Community | 4,934 |
| OLYMPIA FIELDS | IL0312280 | Illinois | Community | 4,922 |
| ANNA | IL1810050 | Illinois | Community | 4,910 |
| ROUND LAKE PARK | IL0971600 | Illinois | Community | 4,900 |
| TUSCOLA | IL0415030 | Illinois | Community | 4,875 |
| PALOS PARK | IL0311000 | Illinois | Community | 4,873 |
| WEST PRAIRIE WATER COMPANY | IL0410030 | Illinois | Community | 4,800 |
| BREESE | IL0270250 | Illinois | Community | 4,772 |
| BYRON | IL1410100 | Illinois | Community | 4,743 |
| CHERRY VALLEY | IL2010050 | Illinois | Community | 4,731 |