Browse Water Systems
22,144 public water systems in WI.
Public Water Systems Database
Browse 22,144 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 |
|---|---|---|---|---|
| WAUKESHA BIBLE CHURCH | WI2680916 | Wisconsin | Transient Non-Community | 654 |
| ROSE GLEN ELEMENTARY | WI2680912 | Wisconsin | Non-Transient Non-Community | 652 |
| WEBSTER WATERWORKS | WI8070312 | Wisconsin | Community | 652 |
| MINOCQUA HAZELHURST ELEM SCH | WI7440657 | Wisconsin | Non-Transient Non-Community | 650 |
| ROCK RIVER LEISURE ESTATES COOP | WI1540167 | Wisconsin | Community | 650 |
| GREENLEAF WATERWORKS | WI4050466 | Wisconsin | Community | 650 |
| MILLBURN SCHOOL DIST #24 | IL3139931 | Wisconsin | Non-Transient Non-Community | 650 |
| BAY LANE MIDDLE SCHOOL | WI2680307 | Wisconsin | Non-Transient Non-Community | 650 |
| STOCKBRIDGE WATERWORKS | WI4080407 | Wisconsin | Community | 650 |
| SCOUTING AMERICA CAMP MKJW EAST CAMP 1 | WI7340218 | Wisconsin | Transient Non-Community | 650 |
| ROCKLAND WATERWORKS | WI6320333 | Wisconsin | Community | 642 |
| CAMP DOUGLAS WATERWORKS | WI7290121 | Wisconsin | Community | 640 |
| DAYSPRING BAPTIST CHURCH INC | WI2686802 | Wisconsin | Non-Transient Non-Community | 636 |
| COCHRANE FOUNTAIN CITY SCHOOL | WI6060338 | Wisconsin | Non-Transient Non-Community | 635 |
| CARTER COMMUNITY | 055295205 | Wisconsin | Community | 634 |
| BROWNSVILLE WATERWORKS | WI1140139 | Wisconsin | Community | 630 |
| WE ENERGIES 3 - BAYSIDE WOODS WATER TRUST | WI2410576 | Wisconsin | Community | 629 |
| LAKE COUNTRY SCHOOL | WI2683609 | Wisconsin | Non-Transient Non-Community | 623 |
| LACONIA HIGH SCHOOL AND MIDDLE SCHOOL | WI4200645 | Wisconsin | Non-Transient Non-Community | 620 |
| BRUCE WATERWORKS | WI8550127 | Wisconsin | Community | 620 |
| CEDARBROOK CHURCH | WI6170215 | Wisconsin | Non-Transient Non-Community | 620 |
| BIG WHEEL ENTERTAINMENT CENTER | WI4600689 | Wisconsin | Transient Non-Community | 620 |
| CALVARY COMMUNITY CHURCH ORIGINAL BLDG 1972 | WI2650288 | Wisconsin | Transient Non-Community | 620 |
| MEQUON CITY HALL | WI2460175 | Wisconsin | Non-Transient Non-Community | 617 |
| BROOKFIELD ELEMENTARY | WI2681164 | Wisconsin | Non-Transient Non-Community | 617 |
| BLUEMKES BP | WI4200616 | Wisconsin | Transient Non-Community | 616 |
| MEQUON TRAIL TOWNHOMES | WI2460817 | Wisconsin | Community | 615 |
| KINNEY LAKE CMPGD SITE 702 | WI4691086 | Wisconsin | Transient Non-Community | 615 |
| WI DNR DEVILS LAKE QUARTZITE CAMPGROUND | WI1570889 | Wisconsin | Transient Non-Community | 615 |
| OLIVIA TELSCHOW LLC | WI7350476 | Wisconsin | Transient Non-Community | 612 |
| YAHARA HILLS CLUBHOUSE | WI1130696 | Wisconsin | Transient Non-Community | 612 |
| RESERVE AT HARTFORD THE | WI2670402 | Wisconsin | Transient Non-Community | 610 |
| BIRDS EYE FOODS | WI2650399 | Wisconsin | Non-Transient Non-Community | 610 |
| FERGUSON ORCHARD-EAU CLAIRE | WI6181235 | Wisconsin | Transient Non-Community | 610 |
| HUBBLETON BREWING TAPROOM & GRILL | WI1280301 | Wisconsin | Transient Non-Community | 610 |
| GAS & MOOR | WI1220197 | Wisconsin | Transient Non-Community | 608 |
| UNDERGROUND SALOON | WI2671142 | Wisconsin | Transient Non-Community | 606 |
| ST MARYS SCHOOL & ST MARYS PARISH | WI2680511 | Wisconsin | Non-Transient Non-Community | 606 |
| WICKED EVENTS AND RODEO ARENA | WI8610626 | Wisconsin | Transient Non-Community | 603 |
| SARON UNITED CHURCH OF CHRIST | WI4600623 | Wisconsin | Transient Non-Community | 603 |
| LAKESIDE MARKETPLACE | WI2300788 | Wisconsin | Non-Transient Non-Community | 600 |
| IRON RIVER SANITARY DISTRICT | WI8040131 | Wisconsin | Community | 600 |
| WE ENERGIES 3 -NORTH SHORE EAST WATER TRUST | WI2410552 | Wisconsin | Community | 600 |
| GEORGE KALKA | WI1570341 | Wisconsin | Transient Non-Community | 600 |
| LAC DU COURS SUBD (LEMONT UTILITY) | WI2460117 | Wisconsin | Community | 600 |
| WE ENERGIES 1 - VILLE DU PARC | WI2460115 | Wisconsin | Community | 600 |
| COLUMBIA ST MARYS HOSPITAL | WI2461052 | Wisconsin | Non-Transient Non-Community | 600 |
| ELMBROOK- LAKE COUNTRY | WI2685887 | Wisconsin | Non-Transient Non-Community | 600 |
| SILVER SPRING GOLF CENTER CLUBHOUSE | WI2684856 | Wisconsin | Non-Transient Non-Community | 600 |
| LAKELAND NURSING HOME | WI2650125 | Wisconsin | Community | 600 |