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 |
|---|---|---|---|---|
| RIVERSIDE SCHOOL | IL3046243 | Illinois | Transient Non-Community | 325 |
| FERMI NATIONAL ACCELERATOR LAB | IL3029553 | Illinois | Transient Non-Community | 325 |
| BIG HOLLOW MIDDLE SCHOOL | IL3002774 | Illinois | Non-Transient Non-Community | 325 |
| HARDYS REINDEER RANCH | IL3138941 | Illinois | Transient Non-Community | 324 |
| LATHAM | IL1070300 | Illinois | Community | 323 |
| KINDERHOOK | IL1490400 | Illinois | Community | 322 |
| CUNEO MUSEUM | IL3129957 | Illinois | Transient Non-Community | 321 |
| SEATONVILLE | IL0110900 | Illinois | Community | 321 |
| FOX LAKE TRUE VALUE | IL0024117 | Illinois | Transient Non-Community | 320 |
| PATTERSON (INC AS WILMINGTON) | IL0610450 | Illinois | Community | 320 |
| SNOWSTAR INC | IL3108597 | Illinois | Transient Non-Community | 320 |
| ALTON MHC | IL1195500 | Illinois | Community | 320 |
| WATCH CITY AERIE | IL3132928 | Illinois | Transient Non-Community | 320 |
| TRIVOLI PWD | IL1435510 | Illinois | Community | 320 |
| UNION HIGH SCHOOL | IL0085340 | Illinois | Transient Non-Community | 320 |
| CAMP TAPAWINGO | IL0002105 | Illinois | Transient Non-Community | 320 |
| IL AMERICAN-LIBERTY RIDGE EAST | IL0437500 | Illinois | Community | 320 |
| MEDINAH NORTH #11 | IL0037184 | Illinois | Transient Non-Community | 320 |
| GOWER WEST SCHOOL | IL0039768 | Illinois | Transient Non-Community | 320 |
| FIRST CHURCH OF GOD | IL3009001 | Illinois | Transient Non-Community | 320 |
| WOODLAND | IL0751000 | Illinois | Community | 319 |
| MALDEN | IL0110550 | Illinois | Community | 318 |
| EJ WATER-COALTON | IL1350100 | Illinois | Community | 317 |
| IL AMERICAN-NETTLE CREEK | IL0630040 | Illinois | Community | 317 |
| MONROE COUNTY MONROE CO WT | IL1335150 | Illinois | Community | 315 |
| ARROWSMITH | IL1130100 | Illinois | Community | 315 |
| LONG POINT | IL1050010 | Illinois | Community | 313 |
| OAKDALE ACRES SBDV | IL0915350 | Illinois | Community | 313 |
| FSH WATER COMMISSION | IL1635300 | Illinois | Community | 313 |
| LEE | IL1034600 | Illinois | Community | 313 |
| FILLMORE | IL1350250 | Illinois | Community | 313 |
| GLEN EDEN ESTATES HOMEOWNERS ASSOCIATION | IL0315650 | Illinois | Community | 312 |
| FIELDS HILL IMPROVEMENT ASSOCIATION | IL0995150 | Illinois | Community | 312 |
| HILLSIDE MANOR SBDV | IL0915250 | Illinois | Community | 312 |
| AQUA ILLINOIS-OAKVIEW | IL1977210 | Illinois | Community | 312 |
| MOUNT CLARE | IL1170650 | Illinois | Community | 311 |
| A-W DRIVE INN | IL3025056 | Illinois | Transient Non-Community | 310 |
| JOHNSON SCHOOL DIST #131 | IL0075044 | Illinois | Transient Non-Community | 310 |
| A-W DRIVE INN | IL0025056 | Illinois | Transient Non-Community | 310 |
| HOME RUN HEAVEN | WI2521146 | Illinois | Transient Non-Community | 310 |
| ARMINGTON | IL1790050 | Illinois | Community | 310 |
| OUR LADY OF HUMILITY SCHOOL | IL3047217 | Illinois | Non-Transient Non-Community | 307 |
| SUNNYSIDE | IL1110850 | Illinois | Community | 306 |
| CLEARVIEW SUBDIVISION | IL1975360 | Illinois | Community | 305 |
| THE FORGE: LEMONT QUARRIES | IL3164624 | Illinois | Non-Transient Non-Community | 305 |
| LITTLE YORK | IL1870100 | Illinois | Community | 304 |
| NILES NURSING AND REHABILITATION | IL0312020 | Illinois | Community | 304 |
| BARDOLPH | IL1090050 | Illinois | Community | 303 |
| MONTEBELLO ESTATE | IL3151043 | Illinois | Transient Non-Community | 303 |
| JEWETT | IL0350100 | Illinois | Community | 303 |