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 |
|---|---|---|---|---|
| NEW HOPE COMMUNITY CHURCH | WI7370928 | Wisconsin | Transient Non-Community | 300 |
| SUNNYFIELD ACRES | WI2680225 | Wisconsin | Community | 300 |
| CAMP CHI - SENIOR SIDE BACK-UP | WI1570211 | Wisconsin | Transient Non-Community | 300 |
| HOLY FAMILY CATHOLIC CHURCH | WI7440841 | Wisconsin | Transient Non-Community | 300 |
| BUDGETEL INN | WI7370264 | Wisconsin | Transient Non-Community | 300 |
| CALVARY GOSPEL CHURCH & SCHOOL | WI1131578 | Wisconsin | Non-Transient Non-Community | 299 |
| CARAVILLA EDUCATION AND REHAB CENTER | WI1540111 | Wisconsin | Community | 298 |
| ST PAULS CHURCH & PRESCHOOL | WI2680310 | Wisconsin | Transient Non-Community | 295 |
| AUTUMN GROVE MALL | WI2681910 | Wisconsin | Non-Transient Non-Community | 295 |
| ELM GROVE VILLAGE HALL | WI2681701 | Wisconsin | Non-Transient Non-Community | 294 |
| ST ANTHONY ON THE LAKE CHURCH | WI2686000 | Wisconsin | Transient Non-Community | 294 |
| ROCK SPRINGS WATERWORKS | WI1570104 | Wisconsin | Community | 292 |
| BEECHER-DUNBAR-PEMBINE SCHOOL | WI4380692 | Wisconsin | Non-Transient Non-Community | 292 |
| WE ENERGIES 2 | WI2410551 | Wisconsin | Community | 290 |
| REWEY WATERWORKS | WI1250086 | Wisconsin | Community | 290 |
| UNIVERSITY RIDGE CLUBHOUSE | WI1132175 | Wisconsin | Non-Transient Non-Community | 290 |
| CHRIST THE KING LUTHERAN CHURCH DELAFIELD | WI2680405 | Wisconsin | Non-Transient Non-Community | 288 |
| HAUGEN WATERWORKS | WI6030143 | Wisconsin | Community | 287 |
| SCORE | WI2522540 | Wisconsin | Transient Non-Community | 286 |
| BROOKFIELD ACADEMY | WI2680746 | Wisconsin | Non-Transient Non-Community | 286 |
| DANBURY SANITARY DISTRICT | WI8070012 | Wisconsin | Community | 286 |
| EDEN MEATS AND CORNER EXPRESS | WI4201040 | Wisconsin | Non-Transient Non-Community | 285 |
| INDIAN HILL SCHOOL | WI2410664 | Wisconsin | Non-Transient Non-Community | 285 |
| BROOKFIELD ZONE 3 ARROWHEAD & STONEBROOK | WI2680251 | Wisconsin | Community | 285 |
| LAKEPOINT OFFICES | WI2682409 | Wisconsin | Non-Transient Non-Community | 285 |
| BUTTERNUT WATERWORKS | WI8020375 | Wisconsin | Community | 283 |
| HOLLANDALE WATERWORKS | WI1250081 | Wisconsin | Community | 283 |
| FIRST CONGREG UNITED CH OF CHRIST/GINGERBREAD PRESCHOOL | WI1281041 | Wisconsin | Non-Transient Non-Community | 280 |
| HONOR ELEMENTARY | WI1140175 | Wisconsin | Non-Transient Non-Community | 280 |
| ARBORS | WI2682795 | Wisconsin | Community | 280 |
| FARMINGTON ELEMENTARY SCHOOL | WI2670166 | Wisconsin | Non-Transient Non-Community | 280 |
| JACKSON ELEMENTARY SCHOOL | WI4600633 | Wisconsin | Non-Transient Non-Community | 280 |
| PINES EVENT CENTER THE | WI7441245 | Wisconsin | Transient Non-Community | 280 |
| MILLADORE WATERWORKS | WI7720994 | Wisconsin | Community | 280 |
| GOOD SHEPHERD BY THE LAKE LUTHERAN CHURCH | WI1130489 | Wisconsin | Transient Non-Community | 276 |
| FAITH CHRISTIAN SCHOOL | WI2650580 | Wisconsin | Non-Transient Non-Community | 275 |
| SKY HARBOUR CENTER | WI6320617 | Wisconsin | Transient Non-Community | 275 |
| WILLOW RUN RV CONDOMINIUM RESORT | WI2650800 | Wisconsin | Community | 275 |
| IMMANUEL LUTHERAN CH | WI4390405 | Wisconsin | Transient Non-Community | 275 |
| FRIENDS OF HUNT HILL AUDUBON SANCTUARY MAIN CAMP | WI8660477 | Wisconsin | Transient Non-Community | 275 |
| NORTHWOODS SUPPER CLUB | WI8510254 | Wisconsin | Transient Non-Community | 275 |
| TOWN OF FARMINGTON SANITARY DISTRICT | WI6320326 | Wisconsin | Community | 275 |
| OGDEN CENTER | WI2410905 | Wisconsin | Non-Transient Non-Community | 275 |
| OUTDOORSMAN RESTAURANT | WI7640486 | Wisconsin | Transient Non-Community | 275 |
| NICHOLS WATERWORKS | WI4450414 | Wisconsin | Community | 275 |
| LUTHERAN CHURCH OF LIVING CHRIST | WI2670399 | Wisconsin | Transient Non-Community | 272 |
| SORRENTO LACTALIS DAIRY | WI7720337 | Wisconsin | Non-Transient Non-Community | 270 |
| NEW BERLIN SENIOR CITIZEN CENTER | WI2680797 | Wisconsin | Transient Non-Community | 270 |
| THE FIELDS OF CLOVER HILL GOLF COURSE | WI1140289 | Wisconsin | Transient Non-Community | 270 |
| CLUB TEN | WI6470153 | Wisconsin | Transient Non-Community | 270 |