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 |
|---|---|---|---|---|
| SOMONAUK | IL0374870 | Illinois | Community | 1,786 |
| MOWEAQUA | IL1730200 | Illinois | Community | 1,785 |
| CHENOA | IL1130300 | Illinois | Community | 1,785 |
| MEADOWBROOK PWD | IL1195200 | Illinois | Community | 1,778 |
| OASIS MOBILE HOME PARK B | IL3093377 | Illinois | Transient Non-Community | 1,776 |
| OASIS MOBILE HOME PARK A | IL3093369 | Illinois | Transient Non-Community | 1,776 |
| OASIS MOBILE HOME PARK D | IL3093336 | Illinois | Transient Non-Community | 1,776 |
| OASIS MOBILE HOME PARK C | IL3093328 | Illinois | Transient Non-Community | 1,776 |
| OASIS MOBILE HOME PARK B | IL0093377 | Illinois | Transient Non-Community | 1,776 |
| OASIS MOBILE HOME PARK A | IL0093369 | Illinois | Transient Non-Community | 1,776 |
| OASIS MOBILE HOME PARK D | IL0093336 | Illinois | Transient Non-Community | 1,776 |
| OASIS MOBILE HOME PARK C | IL0093328 | Illinois | Transient Non-Community | 1,776 |
| ZEIGLER | IL0550750 | Illinois | Community | 1,774 |
| CRAB ORCHARD PWD | IL0775050 | Illinois | Community | 1,773 |
| LOCKPORT TWSP SOUTH WTR SYS | IL1977080 | Illinois | Community | 1,770 |
| GRANTFORK | IL1190350 | Illinois | Community | 1,766 |
| CENTRAL ALEXANDER CNTY PWD | IL0035100 | Illinois | Community | 1,763 |
| AQUA ILLINOIS-ROCKWELL | IL0970110 | Illinois | Community | 1,762 |
| BUNKER HILL | IL1170100 | Illinois | Community | 1,760 |
| ORION | IL0730700 | Illinois | Community | 1,754 |
| ROODHOUSE | IL0610350 | Illinois | Community | 1,753 |
| DELAVAN | IL1790150 | Illinois | Community | 1,743 |
| STOCKTON | IL0850450 | Illinois | Community | 1,728 |
| CAMBRIA | IL1990100 | Illinois | Community | 1,727 |
| CRAINVILLE | IL1990250 | Illinois | Community | 1,711 |
| PIERRON | IL1194760 | Illinois | Community | 1,709 |
| FERMI NATIONAL ACCELERATOR LAB | IL3029603 | Illinois | Non-Transient Non-Community | 1,700 |
| PATRIOTS LANDING | IL1630040 | Illinois | Community | 1,700 |
| MAROA | IL1150300 | Illinois | Community | 1,700 |
| SUGAR GROVE - PRESTBURY | IL0895520 | Illinois | Community | 1,700 |
| CHICAGO READ MHC | IL0317720 | Illinois | Community | 1,700 |
| ELGIN MENTAL HEALTH CENTER | IL0068080 | Illinois | Transient Non-Community | 1,700 |
| ATLANTA | IL1070050 | Illinois | Community | 1,692 |
| ST ROSE PWD | IL0275250 | Illinois | Community | 1,688 |
| PORT BYRON | IL1610550 | Illinois | Community | 1,678 |
| SHERIDAN CORRECTIONAL CENTER | IL0995840 | Illinois | Community | 1,670 |
| PONTIAC CORRECTIONAL CENTER | IL1055500 | Illinois | Community | 1,665 |
| BEMENT | IL1470050 | Illinois | Community | 1,661 |
| EATON PWD | IL0335100 | Illinois | Community | 1,655 |
| PROVIDENCE AT PAINTED LAKES | IL0971100 | Illinois | Community | 1,650 |
| WARRENVILLE IL MUN WTR | IL0430830 | Illinois | Community | 1,650 |
| NEOGA | IL0350150 | Illinois | Community | 1,636 |
| PEKIN FED CORRECTIONAL INST AND PRSNCMP | IL1790030 | Illinois | Community | 1,635 |
| NORTHFIELD ESTATES | MI0040594 | Illinois | Community | 1,620 |
| VIENNA | IL0870350 | Illinois | Community | 1,618 |
| SHAWNEE CORRECTIONAL CENTER | IL0870010 | Illinois | Community | 1,617 |
| GRAYVILLE | IL1934460 | Illinois | Community | 1,613 |
| EARLVILLE | IL0990150 | Illinois | Community | 1,613 |
| BENLD | IL1170050 | Illinois | Community | 1,612 |
| WARSAW | IL0670650 | Illinois | Community | 1,607 |