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 |
|---|---|---|---|---|
| CRESTVIEW UTILITY DISTRICT | WI2520186 | Wisconsin | Community | 3,500 |
| STANLEY WATERWORKS | WI6090462 | Wisconsin | Community | 3,500 |
| BARRON LIGHT & WATER DEPT | WI6030125 | Wisconsin | Community | 3,423 |
| PESHTIGO WATERWORKS | WI4380442 | Wisconsin | Community | 3,420 |
| SOMERSET WATERWORKS | WI6560137 | Wisconsin | Community | 3,334 |
| JOHNSON CREEK WATERWORKS | WI1280107 | Wisconsin | Community | 3,318 |
| ELLSWORTH WATERWORKS | WI6480239 | Wisconsin | Community | 3,304 |
| WASHINGTON HTS SANITARY DIST | WI6180293 | Wisconsin | Community | 3,300 |
| FREEDOM SANITARY DISTRICT | WI4451607 | Wisconsin | Community | 3,260 |
| BOSCOBEL WATERWORKS | WI1220089 | Wisconsin | Community | 3,237 |
| WISCONSIN DELLS WATERWORKS | WI1110113 | Wisconsin | Community | 3,232 |
| ALGOMA WATERWORKS | WI4310280 | Wisconsin | Community | 3,219 |
| BRODHEAD WATERWORKS | WI1230072 | Wisconsin | Community | 3,216 |
| TOMAHAWK WATERWORKS | WI7350127 | Wisconsin | Community | 3,180 |
| LODI WATERWORKS | WI1110100 | Wisconsin | Community | 3,146 |
| SHERWOOD WATERWORKS | WI4080271 | Wisconsin | Community | 3,114 |
| OOSTBURG WATERWORKS | WI4600445 | Wisconsin | Community | 3,110 |
| LAKE COMO SANITARY DIST 1 | WI2651536 | Wisconsin | Community | 3,038 |
| DRY TOWN | 055295310 | Wisconsin | Community | 3,030 |
| HORTONVILLE WATER UTILITY | WI4450411 | Wisconsin | Community | 3,028 |
| NEW HOLSTEIN WATERWORKS | WI4080270 | Wisconsin | Community | 3,012 |
| WOODSIDE SPORTS COMPLEX | WI7290423 | Wisconsin | Transient Non-Community | 3,008 |
| WI DOT REST AREA 6 GARFIELD | WI6270363 | Wisconsin | Transient Non-Community | 3,000 |
| PARK FALLS WATERWORKS | WI8510130 | Wisconsin | Community | 2,993 |
| AMERY WATERWORKS | WI6490328 | Wisconsin | Community | 2,962 |
| LAC DU FLAMBEAU | 055295401 | Wisconsin | Community | 2,962 |
| LAKE DELTON WATERWORKS | WI1570664 | Wisconsin | Community | 2,914 |
| OCONTO FALLS WATERWORKS | WI4430496 | Wisconsin | Community | 2,892 |
| ALPINE VALLEY MUSIC THEATER | WI2650161 | Wisconsin | Transient Non-Community | 2,888 |
| KEWAUNEE WATERWORKS | WI4310281 | Wisconsin | Community | 2,848 |
| SOUTH-CENTRAL WATER SYSTEM | 055295003 | Wisconsin | Community | 2,805 |
| MENDOTA MENTAL HEALTH INST | WI1130235 | Wisconsin | Community | 2,787 |
| LUXEMBURG WATERWORKS | WI4310282 | Wisconsin | Community | 2,737 |
| GREEN RIDGE GLENDALE | WI2680194 | Wisconsin | Community | 2,732 |
| BELLEVILLE WATERWORKS | WI1130209 | Wisconsin | Community | 2,712 |
| LOMIRA WATERWORKS | WI1140151 | Wisconsin | Community | 2,701 |
| WI DOT REST AREA 5 SUMNER | WI6620377 | Wisconsin | Transient Non-Community | 2,700 |
| BROCKWAY SANITARY DIST 1 | WI6270299 | Wisconsin | Community | 2,692 |
| OSCEOLA WATERWORKS | WI6490341 | Wisconsin | Community | 2,680 |
| MONDOVI WATERWORKS | WI6060193 | Wisconsin | Community | 2,667 |
| SPOONER WATERWORKS | WI8660305 | Wisconsin | Community | 2,653 |
| JUNEAU WATERWORKS | WI1140058 | Wisconsin | Community | 2,627 |
| WILLIAMS BAY WATERWORKS | WI2650060 | Wisconsin | Community | 2,601 |
| HAYWARD WATER UTILITY | WI8580532 | Wisconsin | Community | 2,552 |
| POYNETTE WATERWORKS | WI1110037 | Wisconsin | Community | 2,520 |
| DEERFIELD WATERWORKS | WI1130223 | Wisconsin | Community | 2,510 |
| FENNIMORE WATERWORKS | WI1220096 | Wisconsin | Community | 2,507 |
| WINNECONNE WATERWORKS | WI4710354 | Wisconsin | Community | 2,502 |
| ABBOTSFORD WATERWORKS | WI7370148 | Wisconsin | Community | 2,502 |
| NOAHS ARK WAVE WELL | WI1570882 | Wisconsin | Transient Non-Community | 2,500 |