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 |
|---|---|---|---|---|
| CATERPILLAR INC R ANDERSON | IL3055889 | Illinois | Non-Transient Non-Community | 6,500 |
| WESTERN & HOWARD SHOPPING PLAZ | IL3004093 | Illinois | Transient Non-Community | 6,500 |
| NORTHERN ILLINOIS UNIVERSITY-DEKALB | IL0375500 | Illinois | Community | 6,500 |
| WESTERN & HOWARD SHOPPING PLAZ | IL0004093 | Illinois | Transient Non-Community | 6,500 |
| CARTERVILLE | IL1990150 | Illinois | Community | 6,484 |
| IL AMERICAN-DERBY MEADOWS | IL1975510 | Illinois | Community | 6,438 |
| AQUA ILLINOIS-CANDLEWICK DVN | IL0075050 | Illinois | Community | 6,426 |
| COUNTRYSIDE | IL0310570 | Illinois | Community | 6,420 |
| MANTENO | IL0910600 | Illinois | Community | 6,414 |
| DALLAS RURAL WATER DISTRICT | IL0710010 | Illinois | Community | 6,370 |
| SIU PROPERTIES VIA CARBONDALE | IL0775450 | Illinois | Community | 6,354 |
| METROPOLIS | IL1270150 | Illinois | Community | 6,309 |
| CARMI | IL1930100 | Illinois | Community | 6,307 |
| NORTHSHORE UNIVERSITY EVANSTON | IL3158048 | Illinois | Non-Transient Non-Community | 6,300 |
| FORT MASSAC PWD | IL1275050 | Illinois | Community | 6,290 |
| FAIRFIELD | IL1910100 | Illinois | Community | 6,202 |
| FRANKFORT SQUARE SBDV | IL1975270 | Illinois | Community | 6,200 |
| WILLIAMSVILLE | IL1671300 | Illinois | Community | 6,198 |
| BRAIDWOOD | IL1970150 | Illinois | Community | 6,194 |
| SHELBYVILLE | IL1730300 | Illinois | Community | 6,174 |
| LCPW-KNOLLWOOD PWS | IL0975460 | Illinois | Community | 6,078 |
| BRENNAN BEACH RV RESORT | NY3702220 | Illinois | Transient Non-Community | 6,020 |
| HYATT DEERFIELD CAMPUS | IL3113209 | Illinois | Transient Non-Community | 6,000 |
| FIRST NATIONAL BANK | IL3050286 | Illinois | Transient Non-Community | 6,000 |
| BOURBONNAIS | IL0910150 | Illinois | Community | 6,000 |
| CATERPILLAR TRACTOR CO | IL0082271 | Illinois | Transient Non-Community | 6,000 |
| FIRST NATIONAL BANK | IL0050286 | Illinois | Transient Non-Community | 6,000 |
| CHILLICOTHE | IL1430200 | Illinois | Community | 5,996 |
| BEARDSTOWN | IL0170150 | Illinois | Community | 5,951 |
| PEORIA HEIGHTS | IL1434750 | Illinois | Community | 5,908 |
| MOUNT ZION | IL1150350 | Illinois | Community | 5,833 |
| PINCKNEYVILLE | IL1450150 | Illinois | Community | 5,804 |
| HOOPESTON | IL1830450 | Illinois | Community | 5,802 |
| CLARK-EDGAR RWD | IL0230010 | Illinois | Community | 5,801 |
| ST OF ILL SIU PROP SO HIGHWAY | IL0775550 | Illinois | Community | 5,800 |
| PANA | IL0210500 | Illinois | Community | 5,800 |
| EAST ALTON | IL1190200 | Illinois | Community | 5,786 |
| STAUNTON | IL1171050 | Illinois | Community | 5,756 |
| MILL CREEK PWD | IL0015300 | Illinois | Community | 5,755 |
| GRANDWOOD PARK SUBDIVISION - LAKE CO PW | IL0975600 | Illinois | Community | 5,751 |
| COAL CITY | IL0630200 | Illinois | Community | 5,749 |
| WILMINGTON | IL1971100 | Illinois | Community | 5,624 |
| FAYETTE WATER COMPANY | IL0510010 | Illinois | Community | 5,608 |
| LAKE BLUFF | IL0970750 | Illinois | Community | 5,600 |
| SPRING VALLEY | IL0111000 | Illinois | Community | 5,582 |
| MILLSTONE PWD | IL1515050 | Illinois | Community | 5,565 |
| MONTICELLO | IL1470350 | Illinois | Community | 5,548 |
| WATSEKA | IL0750900 | Illinois | Community | 5,500 |
| ROSEWOOD TRACE SBDV | IL0437080 | Illinois | Community | 5,500 |
| EASTERN ILLINOIS UNIVERSITY | IL0295500 | Illinois | Community | 5,500 |