Browse Water Systems
23,975 public water systems in WI.
Public Water Systems Database
Browse 23,975 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 |
|---|---|---|---|---|
| JUNEAU WATERWORKS | WI1140058 | Wisconsin | Community | 2,627 |
| WILLIAMS BAY WATERWORKS | WI2650060 | Wisconsin | Community | 2,601 |
| HAYWARD WATER UTILITY | WI8580532 | Wisconsin | Community | 2,552 |
| NEW LISBON WATERWORKS | WI7290132 | Wisconsin | Community | 2,526 |
| POYNETTE WATERWORKS | WI1110037 | Wisconsin | Community | 2,520 |
| DEERFIELD WATERWORKS | WI1130223 | Wisconsin | Community | 2,510 |
| FENNIMORE WATERWORKS | WI1220096 | Wisconsin | Community | 2,507 |
| WI DOT REST AREA 11 DEKORRA EAST BOUND | WI1110290 | Wisconsin | Transient Non-Community | 2,505 |
| WI DOT REST AREA 17 MILTON | WI1540218 | Wisconsin | Transient Non-Community | 2,503 |
| ABBOTSFORD WATERWORKS | WI7370148 | Wisconsin | Community | 2,502 |
| WINNECONNE WATERWORKS | WI4710354 | Wisconsin | Community | 2,502 |
| WI DOT REST AREA 7 MILLSTON | WI6270361 | Wisconsin | Transient Non-Community | 2,500 |
| WI DOT REST AREA 8 MILLSTON | WI6270360 | Wisconsin | Transient Non-Community | 2,500 |
| NOAHS ARK WAVE WELL | WI1570882 | Wisconsin | Transient Non-Community | 2,500 |
| NOAHS ARK BIG KAHUNA WELL | WI1570881 | Wisconsin | Transient Non-Community | 2,500 |
| NOAHS ARK LAZY RIVER WELL | WI1570629 | Wisconsin | Transient Non-Community | 2,500 |
| NOAHS ARK MAIN ENTRANCE WELL | WI1570628 | Wisconsin | Transient Non-Community | 2,500 |
| NOAHS ARK GO KART WELL | WI1570627 | Wisconsin | Transient Non-Community | 2,500 |
| BELGIUM WATERWORKS | WI2460107 | Wisconsin | Community | 2,493 |
| MINERAL POINT WATERWORKS | WI1250084 | Wisconsin | Community | 2,487 |
| WESTBY WATERWORKS | WI6630267 | Wisconsin | Community | 2,400 |
| NEKOOSA WATERWORKS | WI7720169 | Wisconsin | Community | 2,394 |
| NEILLSVILLE WATERWORKS | WI6100330 | Wisconsin | Community | 2,384 |
| LAKELAND SANITARY DIST 1 | WI7440116 | Wisconsin | Community | 2,381 |
| DOUSMAN WATER UTILITY | WI2680197 | Wisconsin | Community | 2,350 |
| NEW GLARUS WATERWORKS | WI1230084 | Wisconsin | Community | 2,348 |
| CUMBERLAND WATERWORKS | WI6030132 | Wisconsin | Community | 2,311 |
| WALWORTH WATERWORKS | WI2650149 | Wisconsin | Community | 2,304 |
| WI DOT REST AREA 18 HARMONY | WI1540217 | Wisconsin | Transient Non-Community | 2,303 |
| WASHBURN WATERWORKS | WI8040132 | Wisconsin | Community | 2,280 |
| WAUTOMA WATER DEPT | WI4700718 | Wisconsin | Community | 2,280 |
| FREDONIA WATERWORKS | WI2460109 | Wisconsin | Community | 2,279 |
| KOHLER WATERWORKS | WI4600444 | Wisconsin | Community | 2,271 |
| KWIK TRIP #1013 | WI2670267 | Wisconsin | Non-Transient Non-Community | 2,253 |
| GENEVA NATIONAL COMMUNITY SERVICES | WI2650907 | Wisconsin | Community | 2,250 |
| DARLINGTON WATERWORKS | WI1330073 | Wisconsin | Community | 2,235 |
| CEDAR GROVE WATERWORKS | WI4600437 | Wisconsin | Community | 2,213 |
| SCHOFIELD WATERWORKS | WI7370162 | Wisconsin | Community | 2,205 |
| WI DOT REST AREA 54 WESTBOUND | WI6270577 | Wisconsin | Transient Non-Community | 2,200 |
| BUTLER WATERWORKS | WI2680191 | Wisconsin | Community | 2,181 |
| PARDEEVILLE WATERWORKS | WI1110049 | Wisconsin | Community | 2,151 |
| CUBA CITY WATERWORKS | WI1220092 | Wisconsin | Community | 2,141 |
| CLINTON WATERWORKS | WI1540114 | Wisconsin | Community | 2,119 |
| WALMART #1635 | WI2682793 | Wisconsin | Non-Transient Non-Community | 2,100 |
| PRAIRIE VILLAGE WATER TRUST | WI2680277 | Wisconsin | Community | 2,100 |
| WI DOT REST AREA 53 EASTBOUND | WI6270591 | Wisconsin | Transient Non-Community | 2,090 |
| RED CLIFF NORTH | 055295802 | Wisconsin | Community | 2,080 |
| ST CROIX FALLS WATERWORKS | WI6490343 | Wisconsin | Community | 2,079 |
| HOUSE ON THE ROCK | WI1250091 | Wisconsin | Non-Transient Non-Community | 2,025 |
| REDGRANITE WATERWORKS | WI4700269 | Wisconsin | Community | 2,019 |