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 |
|---|---|---|---|---|
| ROCK FALLS RACEWAY MAIN BLDG | WI6170080 | Wisconsin | Transient Non-Community | 410 |
| PIGEON FALLS WATERWORKS | WI6620329 | Wisconsin | Community | 409 |
| LAKEWOOD SCHOOL | WI2300564 | Wisconsin | Non-Transient Non-Community | 408 |
| RIDERS AMOCO FOOD SHOP | WI1130473 | Wisconsin | Transient Non-Community | 408 |
| INTERSTATE CITGO | WI1130472 | Wisconsin | Transient Non-Community | 408 |
| FRIESS LAKE ELEMENTARY SCHOOL | WI2670234 | Wisconsin | Non-Transient Non-Community | 407 |
| EHLENBACHS CHEESE CHALET | WI1130474 | Wisconsin | Transient Non-Community | 406 |
| ST PAULS EV LUTHERAN CHURCH | WI1280141 | Wisconsin | Transient Non-Community | 406 |
| DCA OFFICE & EVENT SPACE | WI4150667 | Wisconsin | Transient Non-Community | 405 |
| WELCOME MART | WI2461091 | Wisconsin | Transient Non-Community | 405 |
| ERIN SCHOOL | WI2670245 | Wisconsin | Non-Transient Non-Community | 405 |
| KENICKYS PUBLIC HOUSE | WI2670715 | Wisconsin | Transient Non-Community | 404 |
| FIRST CHRISTIAN CHURCH | WI2301895 | Wisconsin | Transient Non-Community | 404 |
| SCENIC VIEW COUNTRY CLUB | WI2670277 | Wisconsin | Transient Non-Community | 403 |
| DE SOTO HIGH-MIDDLE SCHOOL | WI6630338 | Wisconsin | Non-Transient Non-Community | 403 |
| MAGEE ELEMENTARY | WI2680928 | Wisconsin | Non-Transient Non-Community | 403 |
| OZAUKEE CONGREG CHURCH & PARISH HOUSE | WI2461220 | Wisconsin | Transient Non-Community | 402 |
| OZAUKEE CONGREG FELLOWSHIP HALL | WI2461262 | Wisconsin | Transient Non-Community | 401 |
| ST JAMES CATH CH | WI4390383 | Wisconsin | Transient Non-Community | 401 |
| ST JAMES CATH CH HALL | WI4390140 | Wisconsin | Transient Non-Community | 401 |
| LUTHER VALLEY CHURCH | WI1540239 | Wisconsin | Transient Non-Community | 401 |
| GLEN OAKS OFFICE PARK | WI2461154 | Wisconsin | Non-Transient Non-Community | 400 |
| WINDSOR WATER UTILITY NORTH | WI1130246 | Wisconsin | Community | 400 |
| ALDRICH CHEMICAL CO | WI4600278 | Wisconsin | Non-Transient Non-Community | 400 |
| LAKE MORGANNE MOBIL | WI1110330 | Wisconsin | Transient Non-Community | 400 |
| FRANKLIN RAWSON HOMES | WI2410590 | Wisconsin | Community | 400 |
| HALES HAPPINESS SUBDIVISION | WI2410575 | Wisconsin | Community | 400 |
| SECURITY ACRES ADDITION | WI2410562 | Wisconsin | Community | 400 |
| TIMBER RIDGE MANUFACTURED HOMES | WI2300115 | Wisconsin | Community | 400 |
| ST BONIFACE CATHOLIC CHURCH | WI1570323 | Wisconsin | Transient Non-Community | 400 |
| UNIVERSITY SCHOOL OF MILW US 2 NEW WELL | WI2412829 | Wisconsin | Non-Transient Non-Community | 400 |
| 41 TWIN OUTDOOR THEATER SOUTH | WI2410896 | Wisconsin | Transient Non-Community | 400 |
| 41 TWIN OUTDOOR THEATER NORTH | WI2410895 | Wisconsin | Transient Non-Community | 400 |
| SHOPKO STORES | MI2030861 | Wisconsin | Transient Non-Community | 400 |
| MAUTHE LAKE CONCESSION | WI4200521 | Wisconsin | Transient Non-Community | 400 |
| KORB SPORTS COMPLEX | WI2461824 | Wisconsin | Transient Non-Community | 400 |
| CHALET ON THE LAKE | WI2460352 | Wisconsin | Transient Non-Community | 400 |
| CAMP JUNIPER KNOLL | WI2650440 | Wisconsin | Transient Non-Community | 400 |
| Kwik Trip No. 571 | MN5090309 | Wisconsin | Transient Non-Community | 400 |
| WAUPACA HIGH SCH | WI4691031 | Wisconsin | Non-Transient Non-Community | 400 |
| LAKE HALLIE GOLF LLC | WI6090758 | Wisconsin | Transient Non-Community | 400 |
| FREEDOM HIGH SCHOOL | WI4450486 | Wisconsin | Non-Transient Non-Community | 400 |
| KOHLS DEPARTMENT STORES CORPORATE OFFICE | WI2683128 | Wisconsin | Non-Transient Non-Community | 400 |
| FAITH COMMUNITY CHURCH | WI6560758 | Wisconsin | Transient Non-Community | 400 |
| SMOLENSKI PARK | WI2522539 | Wisconsin | Transient Non-Community | 400 |
| WISSOTA EXPRESS | WI6090566 | Wisconsin | Transient Non-Community | 400 |
| MILLBURN SCHOOL | IL3019562 | Wisconsin | Non-Transient Non-Community | 400 |
| PORT WING SANITARY DISTRICT | WI8040094 | Wisconsin | Community | 400 |
| SISSY LOOS UP NORTH | WI7641410 | Wisconsin | Transient Non-Community | 400 |
| LEYLAS PLACE | WI6090530 | Wisconsin | Transient Non-Community | 400 |