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 |
|---|---|---|---|---|
| PROSPECT WATER DISTRICT | IL1655110 | Illinois | Community | 1,140 |
| MOUNDS | IL1530150 | Illinois | Community | 1,135 |
| PRAIRIE PATH WATER COMPANY-FERSON CREEK | IL0895800 | Illinois | Community | 1,134 |
| OQUAWKA | IL0710300 | Illinois | Community | 1,125 |
| JOHNSBURG NO.2 | IL1115080 | Illinois | Community | 1,124 |
| ROYALTON | IL0555030 | Illinois | Community | 1,118 |
| ORAVILLE WATER DISTRICT | IL0775250 | Illinois | Community | 1,108 |
| IL AMERICAN-VALLEY MARINA | IL0935100 | Illinois | Community | 1,102 |
| DIVERNON | IL1670450 | Illinois | Community | 1,100 |
| GRACE BIBLE CHURCH | IL3132050 | Illinois | Non-Transient Non-Community | 1,100 |
| WOODLAWN MIDDLE/COUNTRY MEADOW ELEM | IL3138792 | Illinois | Non-Transient Non-Community | 1,100 |
| PARK CREST WTR CMPNY | IL1775100 | Illinois | Community | 1,100 |
| ZENITH RADIO CORP | IL3076851 | Illinois | Non-Transient Non-Community | 1,100 |
| BIG HOLLOW SCHOOL | IL3139618 | Illinois | Non-Transient Non-Community | 1,100 |
| MC DONALDS | IL3045708 | Illinois | Transient Non-Community | 1,100 |
| WASHINGTON ESTATES I | PA5630075 | Illinois | Community | 1,100 |
| LAKE MATTOON PWD | IL0295250 | Illinois | Community | 1,100 |
| GRIGGSVILLE | IL1490300 | Illinois | Community | 1,097 |
| GREENFIELD | IL0610150 | Illinois | Community | 1,097 |
| WORDEN | IL1191200 | Illinois | Community | 1,096 |
| HEARTVILLE PWD | IL0495200 | Illinois | Community | 1,092 |
| CROSSVILLE | IL1930150 | Illinois | Community | 1,091 |
| DANVERS | IL1130450 | Illinois | Community | 1,089 |
| HAMEL | IL1190450 | Illinois | Community | 1,087 |
| ROBINSON CORRECTIONAL CENTER | IL0330010 | Illinois | Community | 1,085 |
| IRVINGTON | IL1890250 | Illinois | Community | 1,081 |
| MEREDOSIA | IL1370300 | Illinois | Community | 1,075 |
| HIGHLAND HILLS SD | IL0435560 | Illinois | Community | 1,071 |
| FLANAGAN | IL1050400 | Illinois | Community | 1,070 |
| GOREVILLE | IL0870200 | Illinois | Community | 1,068 |
| MORRISONVILLE | IL0210300 | Illinois | Community | 1,068 |
| ELKVILLE | IL0770300 | Illinois | Community | 1,068 |
| EDINBURG | IL0210150 | Illinois | Community | 1,068 |
| THOMASBORO | IL0190950 | Illinois | Community | 1,066 |
| HIGHWAY 37 NORTH PWD | IL1995100 | Illinois | Community | 1,065 |
| HARBOR POINT ESTATES MHP | IL0317010 | Illinois | Community | 1,064 |
| ENFIELD | IL1930200 | Illinois | Community | 1,064 |
| LAKE IN THE WOODS SBDV | IL0435620 | Illinois | Community | 1,060 |
| BENET ACADEMY H S | IL0039933 | Illinois | Transient Non-Community | 1,060 |
| SHAWNEETOWN | IL0590350 | Illinois | Community | 1,054 |
| AVA | IL0770050 | Illinois | Community | 1,053 |
| COULTERVILLE | IL1570150 | Illinois | Community | 1,052 |
| PRAIRIE GROVE SCHOOL | IL3062398 | Illinois | Non-Transient Non-Community | 1,050 |
| OLIVET NAZARENE UNIVERSITY | IL0915279 | Illinois | Community | 1,050 |
| FRANCISCAN HEALTH OLYMPIA FIELDS | IL3165845 | Illinois | Non-Transient Non-Community | 1,050 |
| SUBURBAN APARTMENTS (DE KALB UNIV DVL) | IL0375148 | Illinois | Community | 1,050 |
| CHEBANSE | IL0754240 | Illinois | Community | 1,044 |
| FEATHEROCK MHP | FL6291541 | Illinois | Community | 1,044 |
| DIXON CORRECTIONAL CENTER | IL1035500 | Illinois | Community | 1,038 |
| MARINE | IL1190700 | Illinois | Community | 1,037 |