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 JOHNS EV LUTHERAN CHURCH OAK CREEK | WI2410767 | Wisconsin | Transient Non-Community | 400 |
| GLEN OAKS OFFICE PARK | WI2461154 | Wisconsin | Non-Transient Non-Community | 400 |
| ABRAMS ELEMENTARY SCHOOL | WI4430588 | Wisconsin | Non-Transient Non-Community | 400 |
| WI DNR HARRINGTON BEACH SHOWER BLDG | WI2461584 | Wisconsin | Transient Non-Community | 400 |
| ELCHO SANITARY DISTRICT 1 | WI7340117 | Wisconsin | Community | 400 |
| CAMP JUNIPER KNOLL | WI2650440 | Wisconsin | Transient Non-Community | 400 |
| WI DNR KMSFNU LONG LAKE PUMPHOUSE | WI4200544 | Wisconsin | Transient Non-Community | 400 |
| CASCADE MTN SKI - DAISY RESTAURANT WELL | WI1110006 | Wisconsin | Transient Non-Community | 400 |
| PIONEER ESTATES OF DELAVAN | WI2650116 | Wisconsin | Community | 400 |
| SUNSET RIDGE ELEMENTARY SCHOOL | WI1132847 | Wisconsin | Non-Transient Non-Community | 400 |
| GRASSLAND DAIRY PROD INC | WI6100259 | Wisconsin | Non-Transient Non-Community | 400 |
| PORT WING SANITARY DISTRICT | WI8040094 | Wisconsin | Community | 400 |
| ST BONIFACE CATHOLIC CHURCH | WI1570323 | Wisconsin | Transient Non-Community | 400 |
| CHRISTIAN EDUCATION LEADERSHIP ACADEMY | WI2686490 | Wisconsin | Non-Transient Non-Community | 400 |
| MILLBURN SCHOOL | IL3019562 | Wisconsin | Non-Transient Non-Community | 400 |
| RESERVE | 055295302 | Wisconsin | Community | 399 |
| SCHLITZ AUDUBON NATURE CENTER | WI3411152 | Wisconsin | Non-Transient Non-Community | 399 |
| TRINITY LUTHERAN CHURCH & SCHOOL | WI2520415 | Wisconsin | Non-Transient Non-Community | 398 |
| BLOUNT INC | WI8510333 | Wisconsin | Transient Non-Community | 396 |
| DELAVAN CLUB CONDOS | WI2650929 | Wisconsin | Community | 395 |
| READSTOWN WATERWORKS | WI6630261 | Wisconsin | Community | 395 |
| TREVOR WILMOT CONSOLIDATED SCHOOL | WI2300223 | Wisconsin | Non-Transient Non-Community | 394 |
| TREVOR WILMOT CONSOLIDATED SCHOOL ADDITION | WI2302047 | Wisconsin | Non-Transient Non-Community | 394 |
| TREMPEALEAU CO HEALTH CARE | WI6620334 | Wisconsin | Community | 392 |
| PLEASANT VIEW SCHOOL | WI2410675 | Wisconsin | Non-Transient Non-Community | 391 |
| TYROL BASIN CHALET | WI1130383 | Wisconsin | Transient Non-Community | 390 |
| CHAPMAN OIL INC | WI2686118 | Wisconsin | Non-Transient Non-Community | 386 |
| CUDDS MOBILE HOME CT INC | WI6480203 | Wisconsin | Community | 385 |
| HOWARDS GROVE MIDDLE SCHOOL | WI4600482 | Wisconsin | Non-Transient Non-Community | 385 |
| SHEPHERD OF THE HILLS SCH | WI4200343 | Wisconsin | Non-Transient Non-Community | 385 |
| SARGENTO CHEESE INC BAKER PLANT | WI4201393 | Wisconsin | Non-Transient Non-Community | 385 |
| BROWN STREET MARKET PLACE | WI2682416 | Wisconsin | Transient Non-Community | 384 |
| OKAUCHEE SCHOOL | WI2680676 | Wisconsin | Non-Transient Non-Community | 382 |
| ARMSTRONG PARK DAY CARE & JMBA CENTER | WI2521273 | Wisconsin | Non-Transient Non-Community | 380 |
| WI DNR GOV DODGE TWIN VALLEY 200 | WI1250100 | Wisconsin | Transient Non-Community | 375 |
| NELSON WATER & SEWER DEPT | WI6060232 | Wisconsin | Community | 375 |
| SOLON SPRINGS SCHOOL | WI8160178 | Wisconsin | Non-Transient Non-Community | 375 |
| ROCKFIELD SCHOOL | WI2670332 | Wisconsin | Non-Transient Non-Community | 375 |
| LINCOLN ERDMAN SCHOOL | WI4600656 | Wisconsin | Non-Transient Non-Community | 373 |
| PIZZARIA UNO | WI2681923 | Wisconsin | Transient Non-Community | 372 |
| CONGREGATIONAL HOME | WI2680185 | Wisconsin | Community | 372 |
| GILMAN WATERWORKS | WI8610124 | Wisconsin | Community | 372 |
| CULVERS - ELM GROVE | WI2686315 | Wisconsin | Transient Non-Community | 372 |
| ST GABRIEL SCHOOL | WI2670481 | Wisconsin | Non-Transient Non-Community | 371 |
| STILLSON ELEMENTARY SCHOOL | WI6091441 | Wisconsin | Non-Transient Non-Community | 371 |
| MEQUON BUSINESS PARK | WI2460839 | Wisconsin | Non-Transient Non-Community | 370 |
| TIKI BEACH RESORT KML | WI4201629 | Wisconsin | Transient Non-Community | 370 |
| OPERATING ENGINEERS TRAINING CTR | WI4700245 | Wisconsin | Transient Non-Community | 370 |
| LYSTER LUTHERAN CHURCH | WI6060242 | Wisconsin | Transient Non-Community | 370 |
| PLEASANT HILL SCHOOL | WI2680665 | Wisconsin | Non-Transient Non-Community | 369 |