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 |
|---|---|---|---|---|
| CAMP 10 SKI AREA | WI7350358 | Wisconsin | Transient Non-Community | 144 |
| MAPLE PLAIN | 055295901 | Wisconsin | Community | 144 |
| DAVIDS STAR EV LUTHERAN SCHOOL | WI2670221 | Wisconsin | Non-Transient Non-Community | 143 |
| BETHEL LUTHERAN CHURCH | WI2681093 | Wisconsin | Transient Non-Community | 143 |
| FAIRVIEW SCHOOL | WI4430587 | Wisconsin | Non-Transient Non-Community | 143 |
| HEBRON COMMUNITY & HEAD START BUILDING | WI1280316 | Wisconsin | Non-Transient Non-Community | 143 |
| MARTINTOWN COMMUNITY CHURCH | WI1230204 | Wisconsin | Transient Non-Community | 142 |
| TRINITY UNITED CHURCH OF CHRIST & OFFICE | WI2680696 | Wisconsin | Transient Non-Community | 142 |
| KETTLE MORAINE BAPTIST CHURCH & SCHOOL | WI2650302 | Wisconsin | Non-Transient Non-Community | 142 |
| GRACE CHRISTIAN CHURCH | WI4201304 | Wisconsin | Transient Non-Community | 142 |
| OAKWOOD PARK GOLF COURSE | WI2410872 | Wisconsin | Transient Non-Community | 142 |
| MT HOREB UNITED METHODIST CHURCH | WI1131600 | Wisconsin | Transient Non-Community | 142 |
| NEW TESTAMENT BAPTIST CHURCH | WI1110910 | Wisconsin | Transient Non-Community | 141 |
| TIMBER LEE CHRIS CTR TAMARACK | WI2650360 | Wisconsin | Transient Non-Community | 141 |
| NORRIS INC | WI2680246 | Wisconsin | Community | 141 |
| CAMP EVELYN GEMINI BLDGS WELL | WI4600563 | Wisconsin | Transient Non-Community | 141 |
| CAMP EVELYN MAIN WELL | WI4600561 | Wisconsin | Transient Non-Community | 141 |
| CAMP EVELYN CRYSTAL HOUSE WELL | WI4601852 | Wisconsin | Transient Non-Community | 141 |
| LAKE VALLEY CAMP - DINING HALL | WI6120144 | Wisconsin | Transient Non-Community | 140 |
| SHADY HILL MOBILE HOME PARK | WI1540115 | Wisconsin | Community | 140 |
| LAZY ACRES ESTATE MOBILE HMS | WI7370170 | Wisconsin | Community | 140 |
| SCANNELL INVESTMENTS | WI2460618 | Wisconsin | Non-Transient Non-Community | 140 |
| BETHANY LUTHERAN CHURCH | WI7370521 | Wisconsin | Transient Non-Community | 140 |
| BLUFFVIEW COMMONS | WI6320315 | Wisconsin | Community | 140 |
| YAHARA VALLEY ELEMENTARY SCHOOL | WI1540306 | Wisconsin | Non-Transient Non-Community | 140 |
| GRANDVIEW SCHOOL | WI6170294 | Wisconsin | Non-Transient Non-Community | 140 |
| WILKINS BONE LAKE BAR & RESORT | WI6490466 | Wisconsin | Transient Non-Community | 140 |
| ST PHILLIPS SCHOOL & CHURCH | WI7720441 | Wisconsin | Non-Transient Non-Community | 140 |
| STARDUSK THEATRES INC | WI6090085 | Wisconsin | Transient Non-Community | 140 |
| 59ERS DRIVING RANGE | WI1541642 | Wisconsin | Transient Non-Community | 140 |
| WISCONSIN BADGER CAMP | WI1220175 | Wisconsin | Transient Non-Community | 140 |
| WEST MADISON BIBLE CHURCH | WI1131388 | Wisconsin | Transient Non-Community | 140 |
| YMCA CAMP ICAGHOWAN | WI6490409 | Wisconsin | Transient Non-Community | 140 |
| WI DNR SANDY BCH LK PIC 42 | WI7640353 | Wisconsin | Transient Non-Community | 140 |
| OUR SAVIORS LUTHERAN CHURCH | WI6480558 | Wisconsin | Transient Non-Community | 140 |
| ST JOHNS LUTHERAN CHURCH | WI2670301 | Wisconsin | Transient Non-Community | 140 |
| ANAMAX CORPORATION | WI4050697 | Wisconsin | Non-Transient Non-Community | 140 |
| MOON BEACH CAMP LODGE LOWER | WI7640156 | Wisconsin | Transient Non-Community | 140 |
| TIMBER RDG TNNS & GOLF RSTRNT | WI7441408 | Wisconsin | Transient Non-Community | 140 |
| ST ANN CATHOLIC PARISH | WI4080313 | Wisconsin | Transient Non-Community | 140 |
| WI DNR SANDY BCH LK CMPGD 44 | WI7640120 | Wisconsin | Transient Non-Community | 140 |
| WI DNR SANDY BCH LK CMPGD 43 | WI7640352 | Wisconsin | Transient Non-Community | 140 |
| PIONEER CENTRE | WI2680212 | Wisconsin | Community | 140 |
| PHANTOM LAKE YMCA CAMP | WI2680692 | Wisconsin | Transient Non-Community | 140 |
| WI DNR PIKE LAKE CMPGRD | WI2670415 | Wisconsin | Transient Non-Community | 140 |
| PINE AIRE MOTEL - N SIDE OF BLDG | WI1570598 | Wisconsin | Transient Non-Community | 139 |
| SWARTZENDRUBERS SUPPER CLUB | WI7340260 | Wisconsin | Transient Non-Community | 138 |
| NORTH PRAIRIE UNITED METHODIST | WI2680388 | Wisconsin | Transient Non-Community | 138 |
| KOHLS FLOOR COVERING | WI2461547 | Wisconsin | Transient Non-Community | 138 |
| THORP MENNONITE CHURCH & SCHOOL | WI6100349 | Wisconsin | Non-Transient Non-Community | 138 |