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 |
|---|---|---|---|---|
| SALEM GRADE SCHOOL NORTH WELL | WI2300487 | Wisconsin | Non-Transient Non-Community | 800 |
| ELMWOOD WATERWORKS | WI6480250 | Wisconsin | Community | 798 |
| STODDARD WATERWORKS | WI6630262 | Wisconsin | Community | 793 |
| PLAIN WATERWORKS | WI1570098 | Wisconsin | Community | 792 |
| PARKVIEW HEALTH CENTER | WI4710456 | Wisconsin | Community | 790 |
| MOHICAN NORTH STAR CASINO | 050595010 | Wisconsin | Non-Transient Non-Community | 784 |
| SEVENWINDS LODGE AND CONVENTION CENTER | 050595307 | Wisconsin | Non-Transient Non-Community | 782 |
| FRIENDSHIP WATERWORKS | WI7010110 | Wisconsin | Community | 781 |
| WI HEIGHTS HIGH SCHOOL | WI1130566 | Wisconsin | Non-Transient Non-Community | 780 |
| CASSVILLE WATERWORKS | WI1220091 | Wisconsin | Community | 777 |
| DAIRY QUEEN OF PLYMOUTH | WI4600557 | Wisconsin | Transient Non-Community | 770 |
| MCDONALDS STURTEVANT | WI2521052 | Wisconsin | Transient Non-Community | 770 |
| ALMA WATERWORKS | WI6060192 | Wisconsin | Community | 769 |
| WYOCENA WATERWORKS | WI1110124 | Wisconsin | Community | 768 |
| COON VALLEY WATERWORKS | WI6630252 | Wisconsin | Community | 765 |
| CLAYTON WATERWORKS | WI6490334 | Wisconsin | Community | 765 |
| CROSS POINT COMMUNITY CHURCH | WI2685801 | Wisconsin | Transient Non-Community | 764 |
| LITTLE STAR CONVENIENCE STORE | 050595012 | Wisconsin | Transient Non-Community | 762 |
| MERCER SANITARY DISTRICT | WI8260120 | Wisconsin | Community | 760 |
| WONEWOC WATERWORKS | WI7290137 | Wisconsin | Community | 758 |
| WHITELAW WATERWORKS | WI4360439 | Wisconsin | Community | 757 |
| DELAFIELD CONVENIENCE | WI2680638 | Wisconsin | Transient Non-Community | 754 |
| THE COLUMBIAN | WI2670478 | Wisconsin | Transient Non-Community | 752 |
| LAKE MEADOWS WATER TRUST | WI2680228 | Wisconsin | Community | 750 |
| EMRICK LAKE CMPGRND EAST SITES | WI7010643 | Wisconsin | Transient Non-Community | 750 |
| EMRICK LAKE CMPGRND EAST SHOWER HOUSE | WI7010054 | Wisconsin | Transient Non-Community | 750 |
| EMRICK LAKE CMPGRND OFFICE | WI7010538 | Wisconsin | Transient Non-Community | 750 |
| EMRICK LAKE CMPGRND HANDPUMP | WI7010537 | Wisconsin | Transient Non-Community | 750 |
| EMRICK LAKE CMPGRND CABINS | WI7010536 | Wisconsin | Transient Non-Community | 750 |
| EMRICK LAKE CMPGRND MAIN WELL | WI7010192 | Wisconsin | Transient Non-Community | 750 |
| EMRICK LAKE CMPGRND RESERVE AREA | WI7010665 | Wisconsin | Transient Non-Community | 750 |
| IMMANUEL LUTHERAN CHURCH & SCHOOL | WI2682144 | Wisconsin | Non-Transient Non-Community | 750 |
| WABENO SANITARY DIST 1 | WI7210110 | Wisconsin | Community | 750 |
| REHLKO POWER SYSTEMS SECURITY | WI4600503 | Wisconsin | Non-Transient Non-Community | 750 |
| GLIDDEN SANITARY DISTRICT | WI8020376 | Wisconsin | Community | 750 |
| ST PAULS EVANGELICAL LUTHERAN CHURCH | WI4600592 | Wisconsin | Non-Transient Non-Community | 735 |
| MELLEN WATER UTILITY | WI8020378 | Wisconsin | Community | 731 |
| IOWA GRANT SCHOOLS | WI1250165 | Wisconsin | Non-Transient Non-Community | 730 |
| COLEMAN WATERWORKS | WI4380436 | Wisconsin | Community | 727 |
| JAMMERS | WI7720251 | Wisconsin | Transient Non-Community | 725 |
| SHAWANO COUNTY PARK CMPGD | WI4590505 | Wisconsin | Transient Non-Community | 725 |
| WASHINGTON INN SUPPER CLUB | WI4590504 | Wisconsin | Transient Non-Community | 725 |
| ELBOW ROOM | WI4590501 | Wisconsin | Transient Non-Community | 725 |
| MORTS PUB | WI4590513 | Wisconsin | Transient Non-Community | 725 |
| STATE OF WISC | WI4700295 | Wisconsin | Transient Non-Community | 725 |
| UNITED COOPERATIVE STORE & OFFICES | WI1140425 | Wisconsin | Transient Non-Community | 723 |
| WILSON SCHOOL | WI2460216 | Wisconsin | Non-Transient Non-Community | 722 |
| WI DNR AMNICON FALLS STATE PARK- PEVS | WI8161264 | Wisconsin | Transient Non-Community | 721 |
| SLICED | WI1130195 | Wisconsin | Transient Non-Community | 720 |
| HALE PARK MEADOWS | WI2680216 | Wisconsin | Community | 720 |