Browse Water Systems
23,977 public water systems in WI.
Public Water Systems Database
Browse 23,977 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 |
|---|---|---|---|---|
| ST GABRIEL SCHOOL-PARISH | WI2671145 | Wisconsin | Non-Transient Non-Community | 438 |
| SAPUTO CHEESE USA INC WAUPUN | WI4200507 | Wisconsin | Non-Transient Non-Community | 435 |
| NORTHVIEW ELEMENTARY SCHOOL | WI4600724 | Wisconsin | Non-Transient Non-Community | 435 |
| WHEATLAND CENTER SCHOOL OLD FID # | WI2650814 | Wisconsin | Non-Transient Non-Community | 430 |
| TRINITY EV LUTHERAN CHURCH & SCHOOL | WI7720427 | Wisconsin | Non-Transient Non-Community | 430 |
| GLENVIEW PARK | WI4710454 | Wisconsin | Community | 428 |
| MILL VALLEY SCHOOL | WI2680812 | Wisconsin | Non-Transient Non-Community | 426 |
| SWALLOW SCHOOL | WI2680715 | Wisconsin | Non-Transient Non-Community | 425 |
| SUAMICO ELEMENTARY SCHOOL | WI4050688 | Wisconsin | Non-Transient Non-Community | 425 |
| CAPITOLAND CHRISTIAN CENTER | WI1131861 | Wisconsin | Non-Transient Non-Community | 425 |
| FOREST PARK SCHOOL | WI2410679 | Wisconsin | Non-Transient Non-Community | 425 |
| SEXTONVILLE WATERWORKS | WI1530069 | Wisconsin | Community | 425 |
| BLUE RIVER WATERWORKS | WI1220087 | Wisconsin | Community | 424 |
| SILVER BIRCH RANCH DORMS | WI7340372 | Wisconsin | Transient Non-Community | 422 |
| CLYMAN WATERWORKS | WI1140140 | Wisconsin | Community | 422 |
| ALMOND-BANCROFT PUBLIC SCHOOLS | WI7500260 | Wisconsin | Non-Transient Non-Community | 420 |
| SILVER BIRCH RANCH HORSE BLDG AND DINING HALL | WI7340573 | Wisconsin | Transient Non-Community | 420 |
| ST FRANCIS BORGIA EDUCATIONAL & ACTIVITY CENTER | WI2461691 | Wisconsin | Non-Transient Non-Community | 420 |
| ELM GROVE LUTHERAN SCHOOL & CHURCH | WI2682148 | Wisconsin | Non-Transient Non-Community | 420 |
| INTERNATIONAL CRANE FOUNDATION GATEWAY VISITORS | WI1570239 | Wisconsin | Transient Non-Community | 420 |
| LACONIA ELEMENTARY SCHOOL | WI4200520 | Wisconsin | Non-Transient Non-Community | 420 |
| ST MARYS CONGREGATION | WI2650277 | Wisconsin | Transient Non-Community | 419 |
| HANCOCK WATERWORKS | WI4700267 | Wisconsin | Community | 419 |
| BEAR CREEK WATERWORKS | WI4450867 | Wisconsin | Community | 418 |
| JUNCTION CITY WATERWORKS | WI7500127 | Wisconsin | Community | 416 |
| FARM GOLF COURSE THE | WI3130017 | Wisconsin | Transient Non-Community | 415 |
| HARDEES IN TWIN LAKES | WI2301295 | Wisconsin | Transient Non-Community | 415 |
| SUNRISE ORCHARDS | WI6120203 | Wisconsin | Transient Non-Community | 415 |
| FOX & HOUNDS RESTAURANT - BAR | WI2671884 | Wisconsin | Transient Non-Community | 415 |
| FOX & HOUNDS RESTAURANT - KITCHEN | WI2670369 | Wisconsin | Transient Non-Community | 415 |
| STATION 51 LLC | WI1540240 | Wisconsin | Transient Non-Community | 412 |
| CRAWFISH JUNCTION | WI1280302 | Wisconsin | Transient Non-Community | 412 |
| PEACE LUTHERAN CHURCH | WI4050547 | Wisconsin | Transient Non-Community | 411 |
| RICHFIELD MIDDLE SCHOOL | WI2670268 | Wisconsin | Non-Transient Non-Community | 410 |
| SQUIRES GROVE | WI2680201 | Wisconsin | Community | 410 |
| PETENWELL CO PARK 10-WEST PUMP HOUSE | WI7010009 | Wisconsin | Transient Non-Community | 410 |
| ROCK FALLS RACEWAY MAIN BLDG | WI6170080 | Wisconsin | Transient Non-Community | 410 |
| LAKE COUNTRY CLASSICAL ACADEMY EAST CAMPUS | WI2684180 | Wisconsin | Non-Transient Non-Community | 410 |
| SUNSET HARBOR | WI1110352 | Wisconsin | Transient Non-Community | 410 |
| JOHNSONVILLE COUNTRYSIDE COMPLEX | WI4600905 | Wisconsin | Non-Transient Non-Community | 410 |
| AGAVE ASADOR & CANTINA | WI2670401 | Wisconsin | Transient Non-Community | 410 |
| PIGEON FALLS WATERWORKS | WI6620329 | Wisconsin | Community | 409 |
| RIDERS AMOCO FOOD SHOP | WI1130473 | Wisconsin | Transient Non-Community | 408 |
| INTERSTATE CITGO | WI1130472 | Wisconsin | Transient Non-Community | 408 |
| LAKEWOOD SCHOOL | WI2300564 | Wisconsin | Non-Transient Non-Community | 408 |
| FRIESS LAKE ELEMENTARY SCHOOL | WI2670234 | Wisconsin | Non-Transient Non-Community | 407 |
| ST PAULS EV LUTHERAN CHURCH | WI1280141 | Wisconsin | Transient Non-Community | 406 |
| EHLENBACHS CHEESE CHALET | WI1130474 | Wisconsin | Transient Non-Community | 406 |
| DCA OFFICE & EVENT SPACE | WI4150667 | Wisconsin | Transient Non-Community | 405 |
| ERIN SCHOOL | WI2670245 | Wisconsin | Non-Transient Non-Community | 405 |