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 |
|---|---|---|---|---|
| GRAND MARSH ELEMENTARY SCHOOL | WI7010493 | Wisconsin | Non-Transient Non-Community | 128 |
| WINGIN IT | WI1280292 | Wisconsin | Transient Non-Community | 128 |
| NORTHLAND CRANBERRY | WI2670804 | Wisconsin | Non-Transient Non-Community | 128 |
| PENINSULA PLAYERS | WI4150544 | Wisconsin | Transient Non-Community | 128 |
| WI DOT WAYSIDE 7 NORRIE | WI7370205 | Wisconsin | Transient Non-Community | 128 |
| MARSH INN | WI1140348 | Wisconsin | Transient Non-Community | 127 |
| ST MARYS OF THE LAKE CH | WI4150643 | Wisconsin | Transient Non-Community | 127 |
| KETTLE MORAINE YMCA - HOLY TRINITY CONGREGATION | WI2670160 | Wisconsin | Non-Transient Non-Community | 127 |
| CHRISTIAN LIFE CHURCH | WI2651375 | Wisconsin | Transient Non-Community | 127 |
| C3 CHURCH | WI6480601 | Wisconsin | Transient Non-Community | 127 |
| LITTLE TURTLE HERTEL EXPRESS | 050595916 | Wisconsin | Non-Transient Non-Community | 127 |
| G & V MACHINE CO INC | WI1281075 | Wisconsin | Non-Transient Non-Community | 127 |
| BOBBYS GAS & FOOD MART | WI4200270 | Wisconsin | Transient Non-Community | 127 |
| HONDIUS WUA | CO0235352 | Wisconsin | Transient Non-Community | 127 |
| COTTAGE WINERY & VINEYARD | WI6170247 | Wisconsin | Transient Non-Community | 127 |
| ST MARTIN'S CATHOLIC CHU | WI4200555 | Wisconsin | Transient Non-Community | 126 |
| INDIAN HEIGHTS | 055295012 | Wisconsin | Community | 126 |
| TRINITY EV LUTHERAN CHURCH - WAUWAUTOSA RD | WI2460311 | Wisconsin | Transient Non-Community | 126 |
| INSPIRE EARLY CHILDHOOD ADDITION | WI1134669 | Wisconsin | Non-Transient Non-Community | 126 |
| ASHWOOD GROVE 5 | WI4200487 | Wisconsin | Community | 126 |
| ST LUKES LUTHERAN CHURCH | WI1280285 | Wisconsin | Transient Non-Community | 126 |
| SONNYS BAR & GRILL | WI1130726 | Wisconsin | Transient Non-Community | 126 |
| ST JOHNS LUTHERAN CHURCH | WI2681097 | Wisconsin | Transient Non-Community | 126 |
| HOFFMANNS WISSOTA COURT | WI6090459 | Wisconsin | Community | 126 |
| TERRACE HILL MHP | WI6180284 | Wisconsin | Community | 125 |
| PATHWAY CHURCH | WI2520657 | Wisconsin | Transient Non-Community | 125 |
| NATURES VILLA | WI1280339 | Wisconsin | Transient Non-Community | 125 |
| WI DNR HAYWARD RANGER STATION | WI8580971 | Wisconsin | Transient Non-Community | 125 |
| HOMESTEAD HS PAVILION | WI2461725 | Wisconsin | Non-Transient Non-Community | 125 |
| WI DNR POT SHOWER BLDG | WI4151717 | Wisconsin | Transient Non-Community | 125 |
| MARS RESTAURANT & RESORT | WI2650195 | Wisconsin | Transient Non-Community | 125 |
| RACINE COUNTY HWY BLDG | WI2520360 | Wisconsin | Non-Transient Non-Community | 125 |
| WYLDEWOOD BAPTIST SCHOOL & CHURCH | WI4710637 | Wisconsin | Non-Transient Non-Community | 125 |
| HARTFORD - TOWN - CONCESSION STAND RESTROOMS | WI2670647 | Wisconsin | Transient Non-Community | 125 |
| PORT WASHINGTON COUNTRY CLUB | WI2410900 | Wisconsin | Transient Non-Community | 125 |
| WI DNR MILL BLUFF BEACH | WI6420335 | Wisconsin | Transient Non-Community | 125 |
| WI DNR MILL BLUFF OFFICE | WI6420337 | Wisconsin | Transient Non-Community | 125 |
| JUNCTION TAP | WI7640142 | Wisconsin | Transient Non-Community | 125 |
| REEDSBURG COUNTRY CLUB | WI1570443 | Wisconsin | Transient Non-Community | 125 |
| KINGDOM HALL OF JEHOVAHS WITNESSES | WI1570914 | Wisconsin | Transient Non-Community | 125 |
| CHASEBURG ELEMENTARY SCHOOL | WI6630357 | Wisconsin | Non-Transient Non-Community | 125 |
| APRIL AIRE MOBILE HOME PARK | WI4450420 | Wisconsin | Community | 125 |
| GILMANTON MIDDLE/HIGH SCHOOL | WI6060335 | Wisconsin | Non-Transient Non-Community | 125 |
| FRIEDLS FAST FOODS | WI7720342 | Wisconsin | Transient Non-Community | 125 |
| WATERFORD GRADED SCHOOL | WI2520377 | Wisconsin | Non-Transient Non-Community | 125 |
| WEST WIOTA LUTHERAN CHURCH CEMETERY | WI1330106 | Wisconsin | Transient Non-Community | 125 |
| MILLS FLEET FARM | WI1140371 | Wisconsin | Non-Transient Non-Community | 125 |
| WI DNR ROCKY ARBOR SHELTER | WI3570006 | Wisconsin | Transient Non-Community | 125 |
| APPLEWOOD HILL | WI1130244 | Wisconsin | Community | 125 |
| WE ENERGIES 1 - CEDAR RIDGE CONDOS | WI2460233 | Wisconsin | Community | 125 |