Browse Water Systems
23,975 public water systems in WI.
Public Water Systems Database
Browse 23,975 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 |
|---|---|---|---|---|
| CONCORD GENERAL STORE | WI1280241 | Wisconsin | Transient Non-Community | 807 |
| BROOKFIELD LUTHERAN CHURCH | WI2682166 | Wisconsin | Transient Non-Community | 804 |
| ST JOHNS LUTHERAN CHURCH | WI2680667 | Wisconsin | Transient Non-Community | 803 |
| ST JAMES CONGREGATION | WI2410692 | Wisconsin | Transient Non-Community | 803 |
| PITTSVILLE WATERWORKS | WI7720112 | Wisconsin | Community | 800 |
| HOLY FAMILY CATHOLIC CHURCH | WI7370438 | Wisconsin | Transient Non-Community | 800 |
| STATE PARK SPEEDWAY | WI7370248 | Wisconsin | Transient Non-Community | 800 |
| YOUNG BROTHERS INC | WI7290265 | Wisconsin | Transient Non-Community | 800 |
| WI DNR WILLOW RIVER CMPGD - 300 | WI6560187 | Wisconsin | Transient Non-Community | 800 |
| HOLIDAY STATION STORES 121 | WI6320476 | Wisconsin | Transient Non-Community | 800 |
| MELROSE MINDORO UNITED CAMPUS | WI6270392 | Wisconsin | Non-Transient Non-Community | 800 |
| BATEMAN EXPRESS MART | WI6091057 | Wisconsin | Transient Non-Community | 800 |
| CLEVELAND HEIGHTS SCHOOL | WI2680814 | Wisconsin | Non-Transient Non-Community | 800 |
| WI DOT REST AREA 35 LAFAYETTE | WI2650264 | Wisconsin | Transient Non-Community | 800 |
| WI DOT REST AREA 36 LAFAYETTE | WI2650260 | Wisconsin | Transient Non-Community | 800 |
| ST MARYS PARISH CHURCH | WI2460255 | Wisconsin | Transient Non-Community | 800 |
| BRIGGS AND STRATTON CORP | WI2410118 | Wisconsin | Non-Transient Non-Community | 800 |
| SALEM GRADE SCHOOL NORTH WELL | WI2300487 | Wisconsin | Non-Transient Non-Community | 800 |
| WESTPORT WATER UTILITY | WI1132442 | Wisconsin | Community | 800 |
| LAC COURTE OREILLES IGA | 050595308 | Wisconsin | Non-Transient Non-Community | 800 |
| ELMWOOD WATERWORKS | WI6480250 | Wisconsin | Community | 798 |
| WI DNR GOV NELSON 3 OFFICE & SHOP | WI1131537 | Wisconsin | Transient Non-Community | 795 |
| STODDARD WATERWORKS | WI6630262 | Wisconsin | Community | 793 |
| PLAIN WATERWORKS | WI1570098 | Wisconsin | Community | 792 |
| PARKVIEW HEALTH CENTER | WI4710456 | Wisconsin | Community | 790 |
| MOHICAN NORTH STAR CASINO | 050595010 | Wisconsin | Non-Transient Non-Community | 784 |
| SEVENWINDS LODGE AND CONVENTION CENTER | 050595307 | Wisconsin | Non-Transient Non-Community | 782 |
| FRIENDSHIP WATERWORKS | WI7010110 | Wisconsin | Community | 781 |
| WI HEIGHTS HIGH SCHOOL | WI1130566 | Wisconsin | Non-Transient Non-Community | 780 |
| CASSVILLE WATERWORKS | WI1220091 | Wisconsin | Community | 777 |
| DAIRY QUEEN OF PLYMOUTH | WI4600557 | Wisconsin | Transient Non-Community | 770 |
| MCDONALDS STURTEVANT | WI2521052 | Wisconsin | Transient Non-Community | 770 |
| ALMA WATERWORKS | WI6060192 | Wisconsin | Community | 769 |
| WYOCENA WATERWORKS | WI1110124 | Wisconsin | Community | 768 |
| CAMBRIA WATERWORKS | WI1110041 | Wisconsin | Community | 767 |
| COON VALLEY WATERWORKS | WI6630252 | Wisconsin | Community | 765 |
| CLAYTON WATERWORKS | WI6490334 | Wisconsin | Community | 765 |
| CROSS POINT COMMUNITY CHURCH | WI2685801 | Wisconsin | Transient Non-Community | 764 |
| LITTLE STAR CONVENIENCE STORE | 050595012 | Wisconsin | Transient Non-Community | 762 |
| MERCER SANITARY DISTRICT | WI8260120 | Wisconsin | Community | 760 |
| WONEWOC WATERWORKS | WI7290137 | Wisconsin | Community | 758 |
| WHITELAW WATERWORKS | WI4360439 | Wisconsin | Community | 757 |
| WADE HOUSE-VISITOR CENTER AND MUSEUM | WI4602125 | Wisconsin | Transient Non-Community | 754 |
| DELAFIELD CONVENIENCE | WI2680638 | Wisconsin | Transient Non-Community | 754 |
| THE COLUMBIAN | WI2670478 | Wisconsin | Transient Non-Community | 752 |
| GLIDDEN SANITARY DISTRICT | WI8020376 | Wisconsin | Community | 750 |
| WABENO SANITARY DIST 1 | WI7210110 | Wisconsin | Community | 750 |
| EMRICK LAKE CMPGRND EAST SITES | WI7010643 | Wisconsin | Transient Non-Community | 750 |
| EMRICK LAKE CMPGRND OFFICE | WI7010538 | Wisconsin | Transient Non-Community | 750 |
| EMRICK LAKE CMPGRND HANDPUMP | WI7010537 | Wisconsin | Transient Non-Community | 750 |