Browse Water Systems
25,921 public water systems in IL.
Public Water Systems Database
Browse 25,921 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 |
|---|---|---|---|---|
| MONTMORENCY SCHOOL | IL0035311 | Illinois | Transient Non-Community | 413 |
| ARDMORE SCHOOL #4 | IL0037374 | Illinois | Transient Non-Community | 412 |
| CEDAR PARK | TX1080233 | Illinois | Community | 411 |
| WHITE OAKS ESTATES WATER ASSOC., INC. | IL1035050 | Illinois | Community | 410 |
| MID COUNTY JR SR HIGH SCHOOL | IL0076984 | Illinois | Transient Non-Community | 410 |
| MIDLAND HIGH SCHOOL | IL3076984 | Illinois | Non-Transient Non-Community | 410 |
| WAUCONDA ORCHARDS | IL3028548 | Illinois | Transient Non-Community | 410 |
| EAST COLONA | IL0035238 | Illinois | Transient Non-Community | 407 |
| SPRINGBROOK COMMUNITY CHURCH | IL3157388 | Illinois | Transient Non-Community | 406 |
| CENTER CASS SCHOOL | IL0039743 | Illinois | Transient Non-Community | 405 |
| HEN HOUSE INTERSTATE FAMILY RE | IL0030726 | Illinois | Transient Non-Community | 405 |
| MARION HILLS SCHOOL | IL0039784 | Illinois | Transient Non-Community | 405 |
| MARION HILLS SCHOOL | IL3039784 | Illinois | Transient Non-Community | 405 |
| HORACE MANN SCHOOL | IL3048561 | Illinois | Non-Transient Non-Community | 405 |
| DES PLAINES MHP | IL0317775 | Illinois | Community | 405 |
| WELDON | IL0390350 | Illinois | Community | 404 |
| ELLIS GROVE | IL1570200 | Illinois | Community | 403 |
| CASS RURAL WATER DISTRICT | IL0170010 | Illinois | Community | 403 |
| LEAF RIVER | IL1410300 | Illinois | Community | 403 |
| BENSON | IL2030050 | Illinois | Community | 401 |
| IL VETERANS HOME (QUINCY) | IL0015500 | Illinois | Community | 401 |
| NHC UTILITIES | FL5084110 | Illinois | Community | 401 |
| TAMPIER LAKE 5321 | IL3101485 | Illinois | Transient Non-Community | 400 |
| NEW MILFORD SCHOOL | IL0045815 | Illinois | Transient Non-Community | 400 |
| BEAUBIEN PRESERVE GR HP 5128 | IL3073783 | Illinois | Transient Non-Community | 400 |
| BEAUBIEN PRESERVE GR HP 5127 | IL3073775 | Illinois | Transient Non-Community | 400 |
| FALCON CAMP GR 0 | IL3036061 | Illinois | Transient Non-Community | 400 |
| HIGHLAND WDS GOLF CSE 1222 | IL0074252 | Illinois | Transient Non-Community | 400 |
| BRUNSWICK DEER PARK LANES | IL3128199 | Illinois | Transient Non-Community | 400 |
| COMMONWEALTH EDISON BRAITED #2 | IL3114207 | Illinois | Transient Non-Community | 400 |
| HIGHLAND WDS GOLF CSE 2192 | IL0074245 | Illinois | Transient Non-Community | 400 |
| COYOTE CROSSING MINI GOLF | IL3149310 | Illinois | Transient Non-Community | 400 |
| EDGEBROOK WOODS GR 1 HP 2110 | IL0074203 | Illinois | Transient Non-Community | 400 |
| ED O'BRADOVICH STEAK & SEAFOOD | IL3080267 | Illinois | Transient Non-Community | 400 |
| SIP N SNACK | IL3123711 | Illinois | Transient Non-Community | 400 |
| KNOLLS WATER COOPERATIVE | WI2300145 | Illinois | Community | 400 |
| EXPRESS LANE GAS AND FOOD INC. | IL3125823 | Illinois | Transient Non-Community | 400 |
| OTTAWA TRAIL WOODS HP 4161 | IL3074427 | Illinois | Transient Non-Community | 400 |
| GASLAND FOOD MART | IL3068601 | Illinois | Transient Non-Community | 400 |
| OTTAWA TRAIL WDS GR 3 HP 4160 | IL3074468 | Illinois | Transient Non-Community | 400 |
| GRAND BEAR LODGE WELL #7 SOUTH | IL3149971 | Illinois | Transient Non-Community | 400 |
| SAND VALLEY GOLF RESORT MAMMOTH DUNES HOLE 15 | WI7010649 | Illinois | Transient Non-Community | 400 |
| MT ASSISI ACADEMY | IL3147769 | Illinois | Transient Non-Community | 400 |
| SCHILLER WOODS 3102 | IL3074559 | Illinois | Transient Non-Community | 400 |
| JOHNSON ELEM SCHOOL DIST #131 | IL3075044 | Illinois | Non-Transient Non-Community | 400 |
| SCHILLER WOODS W 3072 | IL3074484 | Illinois | Transient Non-Community | 400 |
| SULLIVAN CAMP GR 0 HP 5247 | IL3009142 | Illinois | Transient Non-Community | 400 |
| IGNATZ & MARY'S GROVE INN | IL3080085 | Illinois | Transient Non-Community | 400 |
| SAND VALLEY GOLF RESORT LIDO PRO SHELTER & BATH | WI7010647 | Illinois | Transient Non-Community | 400 |
| ARIE CROWN FOREST GR 0 HP 4178 | IL0073734 | Illinois | Transient Non-Community | 400 |